All (in this database) Fish list (Scientific names): Part R
A
AF
AM
AO
AS
AV
B
BD
BJ
BR
BT
C
CE
CI
CR
CW
D
DH
DR
E
EN
EV
F
FL
FS
G
GJ
GU
H
HG
HW
I
IO
J
K
KR
L
LB
LH
LT
M
MB
MF
MK
MV
N
NG
NJ
O
OH
OS
P
PE
PF
PN
PS
PY
Q
R
RH
RP
S
SE
SI
SO
SQ
SU
T
TH
TS
U
V
VI
W
X
Y
Z
- Ra Whitley, 1931 (Ichthyboriinae), see Ichthyborus
- ?raaltenii Bleeker, 1851 (Salarias)
- rabaji Lacep¨de, 1802 (Holocentrus), see Acanthopagrus bifasciatus
- rabaudi Chen & Huang, 1977 (Procypris)
- rabaudi Tchang, 1930 (Acrossochilus), see Acrossocheilus fasciatus
- rabaudi Tchang, 1930 (Cyprinus), see Procypris rabaudi
- Rabaulichthys Allen, 1984 (Anthiinae)
- rabauti La Monte, 1941 (Corydoras)
- rabdophorus Hamilton, 1822 (Sisor)
- rabirrubia Bloch & Schneider (ex Parra), 1801 (Anthias), see Ocyurus chrysurus
- Rabula Jordan & Davis, 1891 (Muraenidae), see Gymnothorax
- raceki Whitley, 1955 (Solenichthys), see Solenostomus cyanopterus
- racemifera Regan & Trewavas, 1932 (Linophryne)
- Racenisia Mago-Leccia, 1994 (Hypopomidae)
- Rachovia Myers, 1927 (Rivulinae)
- rachoviana Myers, 1926 (Pyrrhulina)
- rachovii Regan, 1913 (Characidium)
- rachovii Ahl, 1926 (Nothobranchius)
- rachovii (Gambusia)
- rachovii Isbrìcker, 1980 (Hypostomus)
- ?rachovii Regan, 1912 (Iguanodectes)
- rachovii Ahl, 1923 (Rivulus), see Rivulus santensis
- rachovii Regan, 1911 (Xiphophorus), see Xiphophorus hellerii
- rachovii Regan, 1913 (Jobertina), see Characidium rachovii
- rachovii Regan, 1913 (Plecostomus), see Hypostomus rachovii
- rachovii Regan, 1914 (Heterophallus), see Gambusia rachovii
- Rachoviscus Myers, 1926 (Paragoniatinae)
- rachowi Rosen & Bailey, 1963 (Gambusia), see Gambusia rachovii
- Rachycentridae (Perciformes)
- Rachycentron Kaup, 1826 (Rachycentridae)
- ?rackliffei Schultz, 1943 (Acanthurus)
- Racoma McClelland and Griffith in McClelland, 1842 (Cyprinidae)
- Raconda Gray, 1831 (Clupeidae)
- racovitzai (Scardinius)
- Racovitzia Dollo, 1900 (Bathydraconidae)
- radamae Fourmanoir, 1961 (Carcharinus), see Carcharhinus altimus
- radcliffei Gilbert & Hubbs, 1920 (Caelorinchus)
- radcliffei Jordan & Thompson, 1914 (Spectrunculus)
- radcliffei Smith, 1913 (Eridacnis)
- ?radcliffei Fowler, 1918 (Amia)
- radcliffei Gilbert & Hubbs, 1920 (Coelorhynchus), see Caelorinchus radcliffei
- radcliffei Iwamoto, 1990 (Coelorinchus), see Caelorinchus radcliffei
- Radcliffella Hubbs, 1921 (Gobiidae), see Evermannichthys
- radcliffii L©vªque & Daget, 1984 ( Barbusaltianalis)
- Raddabarbus Thys van den Audenaerde, 1971 (Cyprinidae), see Barboides
- Raddaella Huber, 1977 (Aplocheilinae), see Fundulopanchax
- raddai Scheel, 1975 (Aphyosemion)
- raddai Radda, 1977 (Mesoaphyosemion), see Aphyosemion raddai
- radiale Matsuura, 1983 (Diplectrum)
- radialis Quoy & Gaimard, 1824 (Serranus), see Diplectrum radiale
- radians Robins & Ray, 1986 (Sparisoma)
- ?radians Castelnau, 1861 (Mugil)
- ?radians Quoy & Gaimard, 1824 (Serranus)
- radians Regan & Trewavas, 1932 (Edriolychnus), see Haplophryne mollis
- radians Valenciennes, 1840 (Scarus), see Sparisoma radians
- 20-radiata Larraáaga, 1923 (Clupea), see Clupea vigintiradiata
- 21-radiata Larraáaga, 1923 (Perca), see Cynoscion striatus
- 38-radiata Larraáaga, 1923 (Clupea sulcata vel), see Clupea trigintaoctoradiata
- radiata Paulin & Roberts, 1992 (Grahamichthys)
- radiata Cuvier, 1829 (Pterois)
- radiata Donovan, 1808 (Raja)
- radiata Bowdich, 1825 (Balistes), see Balistes punctatus
- radiata Budge, 1848 (Belone 11), see Belone belone
- radiata Jordan & Evermann, 1896 (Iridio), see Halichoeres radiatus
- radiata Leigh-Sharpe, 1924 (Deltaraia), see Raja radiata
- radiata Malm, 1877 (Amblyraja), see Raja radiata
- radiata Valenciennes (ex Quoy & Gaimard), 1837 (Eleotris), see Grahamichthys radiata
- 11-radiatus Devincenzi, 1925 (Salmo), see Leporinus obtusidens
- 11-radiatus Larraáaga, 1923 (Salmo), see Leporinus obtusidens
- 11-radiatus Larraáaga, 1923 (Silurus), see Silurus pati
- 12-radiatus Larraáaga, 1923 (Silurus), see Silurus duodecimradiatus
- 14-radiatus Larraáaga, 1923 (Silurus), see Silurus quatuordecimradiatus
- 26-radiatus Larraáaga, 1923 (Salmo denticulosus vel), see Acestrorhynchus falcatus
- 27-radiatus Larraáaga, 1923 (Salmo auratus vel), see Salminus maxillosus
- 38-radiatus Larraáaga, 1923 (Silurus), see Silurus imberbis
- 4-radiatus Rendahl, 1926 (Diplocrepis), see Diplocrepis quadriradiatus
- 7-radiatus Larraáaga, 1923 (Salmo edentulus vel), see Cyphocharax gilbert
- 7-radiatus Larraáaga, 1923 (Silurus), see Silurus quadricostatus
- 8-radiatus Larraáaga, 1923 (Salmo), see Salmo octoradiatus
- radiatus Garman, 1899 (Halosaurus)
- radiatus Peters, 1854 (Barbus)
- radiatus Robins & Ray, 1986 (Ogcocephalus)
- radiatus (Pantolabus)
- radiatus Robins & Ray, 1986 (Halichoeres)
- radiatus (Labrus)
- radiatus (Siphonognathus)
- radiatus Heemstra & Randall, 1986 (Epinephelus)
- radiatus Cuvier, 1829 (Trachinus)
- radiatus Matsuura, 1984 (Acreichthys)
- radiatus Matsuura, 1984 (Takifugu)
- ?radiatus Valenciennes (ex Ehrenberg), 1840 (Cheilinus)
- ?radiatus Shaw, 1803 (Mullus)
- radiatus (Odax), see Siphonognathus radiatus
- radiatus Abe, 1947 (Sphoeroides vermicularis), see Takifugu radiatus
- radiatus Bleeker, 1861 (Pseudotrachinus), see Trachinus radiatus
- radiatus Day, 1868 (Serranus), see Epinephelus radiatus
- radiatus Linnaeus, 1758 (Labrus), see Halichoeres radiatus
- radiatus Macleay, 1881 (Caranx), see Pantolabus radiatus
- radiatus Mitchill, 1818 (Lophius), see Ogcocephalus radiatus
- radiatus Popta, 1900 (Monacanthus), see Acreichthys radiatus
- radiatus Quoy & Gaimard, 1834 (Malacanthus), see Siphonognathus radiatus
- radiatus Scott, 1976 (Neoodax), see Siphonognathus radiatus
- radiatus W. Smith-Vaniz (Absolom), see Pantolabus radiatus
- radiatus Whitley, 1937 (Absalom), see Pantolabus radiatus
- radiatus Whitley, 1947 (Sheardichthys), see Siphonognathus radiatus
- radiatus Whitley, 1956 (Grahamichthys), see Grahamichthys radiata
- ?radicifilis Borodin, 1930 (Eustomias)
- Radiicephalidae (Lampridiformes)
- Radiicephalus Osãrio, 1917 (Radiicephalidae)
- radiocularis Fowler, 1943 (Gobitrichinotus)
- radiolatus Gìnther, 1868 (Barilius)
- radiosum Lee et al., 1980 (Etheostoma)
- radiosus Miller, 1948 (Cyprinodon)
- radiosus Garman, 1896 (Antennarius)
- radiosus Anderson, 1981 (Etelis)
- radiosus Hubbs & Black, 1941 (Poecilichthys whipplii), see Etheostoma radiosum
- ?radja Bleeker, 1853 (Diagramma)
- radjaban Lacep¨de, 1802 (Holocentrus), see Diagramma pictum
- radnensis Banarescu, Mìller & Nalbant, 1960 (Cobitis aurata), see Sabanejewia aurata
- radnensis J¡szfalusi, 1951 (Cobitis aurata balcanica nat. ), see Sabanejewia aurata
- radula Gilbert, 1905 (Taeniopsetta)
- radula Delaroche, 1809 (Raja)
- ?radula Linnaeus, 1758 (Perca)
- radula Bonaparte, 1838 (Batis), see Raja radula
- radula Solander, 1848 (Balistes), see Melichthys niger
- Radulinellus Bolin, 1950 (Cottidae), see Radulinus
- Radulinopsis Soldatov & Lindberg, 1930 (Cottidae)
- Radulinus Gilbert, 1890 (Cottidae)
- ræmeri Weber, 1910 (Therapon), see Hephaestus roemeri
- ræmeri Weber, 1911 (Gobius), see Redigobius roemeri
- rafale Collette & Parin, 1970 (Tylosurus acus), see Tylosurus imperialis
- rafale Collette & Parin, 1990 (Tylosurus acus), see Tylosurus imperialis
- rafflesi Masuda et al., 1984 (Chaetodon), see Chaetodon rafflesii
- rafflesii Anonymous [Bennett], 1830 (Chaetodon)
- rafinesquei Suttkus, 1991 (Notropis)
- rafinesquei Burr & Page, 1982 (Etheostoma)
- rafinesqui Briggs, 1955 (Lepadogaster), see Lepadogaster candolii
- rafinesqui Costa, 1840 (Lepadogaster), see Lepadogaster candolii
- Rafinesquiellus Jordan & Evermann, 1896 (Etheostomatinae), see Etheostoma
- rafinesquii Krefft & Bekker, 1973 (Diaphus)
- rafinesquii (Seriola)
- ?rafinesquii Dum©ril, 1870 (Acipenser)
- ?rafinesquii Dum©ril, 1870 (Huso), see Acipenser rafinesquii
- rafinesquii Cocco, 1829 (Nyctophus), see Diaphus rafinesquii
- rafinesquii Cocco, 1838 (Nyctophus), see Diaphus rafinesquii
- rafinesquii Dum©ril, 1870 (Cylindrosteus), see Lepisosteus platostomus
- rafinesquii Goode & Bean, 1896 (Collettia), see Diaphus rafinesquii
- rafinesquii Heckel, 1836 (Scaphirhynchus), see Scaphirhynchus platorynchus
- raghava Chaudhuri, 1917 (Sphyraena), see Sphyraena putnamae
- raha Popta, 1922 (Trypauchen)
- rahanus Popta, 1918 (Epinephelus), see Epinephelus polystigma
- rahti Cuvier, 1830 (Glyphisodon), see Abudefduf saxatilis
- Raia N.A., - (Rajidae), see Raja
- Raiamas Jordan, 1919 (Rasborinae)
- ?raii Bloch & Schneider, 1801 (Blennius)
- raii Bloch & Schneider, 1801 (Brama), see Brama brama
- raii Bloch, 1791 (Sparus), see Brama brama
- raimbaulti Daget, 1962 (Barbus)
- raimundi Burgess, 1989 (Aspidoras)
- raimundi Steindachner, 1907 (Corydoras), see Aspidoras raimundi
- rainfordi McCulloch, 1923 (Chaetodon)
- rainfordi Randall, Allen & Steene, 1990 (Amblygobius)
- rainfordi McCulloch, 1921 (Parioglossus)
- rainfordi Whitley, 1935 (Pseudopomacentrus), see Pomacentrus brachialis
- rainfordi Whitley, 1940 (Koumansetta), see Amblygobius rainfordi
- Rainfordia McCulloch, 1923 (Liopropomatinae)
- raitaborua Talwar & Jhingran, 1991 (Moringua)
- raitaborua Hamilton, 1822 (Muraena), see Moringua raitaborua
- Raizero Jordan & Fesler, 1893 (Lutjaninae), see Lutjanus
- Raja Linnaeus, 1758 (Rajidae)
- Rajabutis De la Pylaie, 1835 (Rajidae), see Raja
- ?rajanorum Heckel, 1843 (Barbus)
- rajasthanicus Datta & Majumdar, 1970 (Labeo)
- rajasthanicus Mathur & Yazdani, 1971 (Nemacheilus), see Nemacheilus baluchiorum
- rajasthanicus Mathur & Yazdani, 1971 (Noemacheilus), see Nemacheilus baluchiorum
- Rajella Stehmann, 1970 (Rajidae)
- ?raji Whitley, 1955 (Hippocampus)
- ?raji Herre, 1945 (Hypseleotris)
- raji Bloch & Schneider, 1801 (Brama), see Brama brama
- Rajidae (Rajiformes)
- Rajiformes (Chondrichthyes)
- rajui Bertelsen & Nielsen, 1987 (Monognathus)
- rakusai Rembiszewski, 1980 (Raja), see Bathyraja maccaini
- raleighana Goode & Bean, 1895 (Harriotta)
- Rama Bleeker, 1858 (Bagrinae), see Batasio
- ramada (Liza)
- ramada Berg, 1949 (Mugil), see Liza ramada
- ramado (Liza)
- ramado Risso, 1810 (Mugil cephalus var. ), see Liza ramada
- ramak (Lethrinus)
- ramak Forssk¥l, 1775 (Sciaena), see Lethrinus ramak
- ramalheira Compagno, 1984 (Heterodontus)
- ramalheira Smith, 1949 (Gyropleurodus), see Heterodontus ramalheira
- ?ramaraoi Poss & Eschmeyer, 1975 (Ocosia)
- rambaiae Kottelat & Whitten, 1996 (Mugilogobius)
- rambaiae Smith, 1945 (Vaimosa), see Mugilogobius rambaiae
- Rambaibarnia Fowler, 1934 (Rasborinae), see Danio
- rambarrani Axelrod & Burgess, 1987 (Pimelodella)
- rambhae Chaudhuri, 1916 (Engraulis), see Thryssa purava
- ramcarata Gray, 1835 (Apterygia), see Raconda russeliana
- ramcarati Whitehead et al., 1988 (Coilia)
- ramcarati Hamilton, 1822 (Mystus), see Coilia ramcarati
- ?ramentosus Forssk¥l, 1775 (Labrus)
- ?ramentosus Mìller & Troschel, 1849 (Bagrus)
- rameus Fricke, 1981 (Synchiropus)
- rameus McCulloch, 1926 (Callionymus), see Synchiropus rameus
- rameus McCulloch, 1926 (Calliurichthys), see Synchiropus rameus
- rameus Whitley, 1947 (Orbonymus), see Synchiropus rameus
- ramifer Parr, 1934 (Echiostoma ctenobarba), see Echiostoma barbatum
- ramifera Regan & Trewavas, 1932 (Chaenophryne)
- ramiger (Ophichthus)
- ramiger Bussing & Lãpez S., 1994 (Ophichthys), see Ophichthus ramiger
- ramiger Valenciennes, 1842 (Ophisurus), see Ophichthus ramiger
- ramirezi Fern¡ndez-Y©pez, 1968 (Hoplodoras)
- rammelsbergii Tschudi, 1846 (Mugil)
- Ramnogaster Whitehead, 1965 (Clupeidae)
- ramosa (Enchelycore)
- ramosus (Bathygobius)
- ramosus Nielsen & Bertelsen, 1985 (Saccopharynx)
- ramosus Griffin, 1926 (Gymnothorax), see Enchelycore ramosa
- ramosus Jenyns, 1842 (Cheilio), see Cheilio inermis
- ramosus Regan & Trewavas, 1930 (Leptostomias), see Leptostomias gladiator
- ramsaii Ogilby, 1889 (Solea), see Aseraggodes ramsayi
- ramsayi Harrison & Senou, 1997 (Liza)
- ramsayi Colmenero, Yaáez-Arancibia & Amezcua Linares, 1982 (Patagonotothen)
- ramsayi Steindachner, 1884 (Parapercis)
- ramsayi Randall & Melendez, 1987 (Aseraggodes)
- ramsayi Fraser-Brunner, 1951 (Mola)
- ?ramsayi Macleay, 1881 (Girella)
- ramsayi Castelnau, 1879 (Auxis), see Auxis rochei
- ramsayi Fowler, 1907 (Mionorus), see Glossamia aprion
- ramsayi Giglioli, 1883 (Orthragoriscus), see Mola ramsayi
- ramsayi Macleay, 1881 (Lates), see Macquaria colonorum
- ramsayi Macleay, 1881 (Pseudoambassis), see Ambassis marianus
- ramsayi Macleay, 1883 (Mugil), see Liza ramsayi
- ramsayi Macleay, 1884 (Gulliveria), see Glossamia aprion
- ramsayi Ogilby, 1885 (Latris), see Latridopsis forsteri
- ramsayi Regan, 1913 (Notothenia), see Patagonotothen ramsayi
- ramsayi Steindachner, 1883 (Percis), see Parapercis ramsayi
- ramsayi Steindachner, 1884 (Neopercis), see Parapercis ramsayi
- ramsayi Whitley, 1935 (Priopidichthys), see Ambassis marianus
- ramsayi Whitley, 1941 (Gracilimugil), see Liza ramsayi
- ramsdeni Rosen & Bailey, 1963 ( Girardinusdenticulatus)
- ramsdeni (Parapetenia)
- ramsdeni Fowler, 1938 (Cichlasoma), see Parapetenia ramsdeni
- ramsdeni Howell Rivero, 1936 (Gobiesox), see Gobiesox nudus
- ramsdeni Rivas, 1944 (Dactylophallus), see Girardinus denticulatus ramsdeni
- ramseyi Suttkus & Bailey, Bailey and Bart, 1994 (Etheostoma)
- ramuensis Allen, 1985 (Glossolepis)
- Ramularia Jordan & Evermann, 1898 (Paralichthyidae), see Ancylopsetta
- ?ramulosa Regan & Trewavas, 1932 (Caulophryne)
- ramulosus Leach, 1814 (Hippocampus)
- ramulosus Regan & Trewavas, 1930 (Eustomias), see Eustomias filifer
- rancureli Fourmanoir & Rivaton, 1979 (Squalus)
- rancureli Cadenat, 1959 (Mobula), see Mobula japonica
- randalli Ben-Tuvia, 1993 (Bathycongrus)
- randalli Smith & Bæhlke, 1997 (Gymnothorax)
- randalli McCosker, 1998 (Callechelys)
- randalli McCosker & Bæhlke, 1984 (Gordiichthys)
- randalli Greenfield, 1974 (Myripristis)
- randalli Cressey, 1981 (Synodus)
- randalli Allen, 1970 (Antennarius)
- randalli Machida, 1994 (Dinematichthys)
- randalli Briggs & Caldwell, 1957 (Acanthurus)
- randalli Williams, 1988 (Cirripectes)
- randalli Springer, 1991 (Ecsenius)
- randalli Eschmeyer, Editor, 1998 (Callionymus)
- randalli Cervigãn, 1994 (Coralliozetus)
- randalli Hoese & Steene, 1978 (Amblyeleotris)
- randalli Sazima et al., 1997 (Elacatinus)
- randalli (Watson, 1991) (Stenogobius)
- randalli Winterbottom & Burridge, 1992 (Priolepis)
- randalli Hoese & Larson, 1994 (Valenciennea)
- randalli Allen, 1995 (Cirrhilabrus)
- randalli Carpenter, 1988 (Pterocaesio)
- randalli Russell, 1986 (Nemipterus)
- randalli Allen & Kuiter, 1976 (Assessor)
- randalli Greenfield & Hensley, 1970 (Chromis)
- randalli Allen, 1991 (Plectroglyphidodon)
- randalli Fourmanoir & Rivaton, 1980 (Plectranthias)
- randalli Katayama, 1984 (Pseudanthias)
- randalli Woodland, 1990 (Siganus)
- randalli Fricke, 1997 (Enneapterygius)
- randalli Hutchins, 1986 (Pervagor)
- randalli Hardy, 1983 (Torquigener)
- randalli Compagno, Krupp & Carpenter, 1996 (Paragaleus)
- ?randalli Herald, 1965 (Syngnathus)
- ?randalli Cohen & Wourms, 1976 (Microbrotula)
- ?randalli Springer, 1967 (Entomacrodus)
- ?randalli Clark & Fricke, 1985 (Synchiropus)
- ?randalli Kotthaus, 1976 (Cirrhitichthys)
- ?randalli Goren & Karplus, 1983 (Tomiyamichthys)
- ?randalli Lubbock, 1977 (Chlidichthys)
- ?randalli Courtenay, 1967 (Rypticus)
- randalli Bæhlke & Robins, 1968 (Gobiosoma), see Elacatinus randalli
- randalli Carpenter, 1987 (Squamosicaesio), see Pterocaesio randalli
- randalli Cervigãn, 1965 (Emblemariopsis), see Coralliozetus randalli
- randalli Fricke, 1983 (Climacogrammus), see Callionymus randalli
- randalli Fricke, 1983 (Diplogrammus), see Callionymus randalli
- randalli Lubbock & Allen, 1978 (Anthias), see Pseudanthias randalli
- randalli Schultz, 1958 (Scarus), see Scarus frenatus
- randalli Watson, 1991 (Insularigobius), see Stenogobius randalli
- Randallichthys (Etelinae)
- randi Nichols & Raven, 1934 (Craterocephalus)
- ranelayi De Vis, 1889 (Clupea), see Herklotsichthys quadrimaculatus
- Raneya Robins, 1961 (Ophidiinae)
- raneyi Lachner & Jenkins, 1971 (Nocomis)
- raneyi Suttkus & Bart, Bailey & Bart, 1994 (Etheostoma)
- raneyi Crawford, 1956 (Percina nigrofasciatus), see Percina nigrofasciata
- ranga (Parambassis)
- ranga Hamilton, 1822 (Chanda), see Parambassis ranga
- ranga Shrestha, 1978 (Chanda), see Parambassis ranga
- ranga Talwar & Jhingran, 1991 (Pseudambassis), see Parambassis ranga
- rangii Dum©ril, 1861 (Tilapia), see Sarotherodon melanotheron
- rangii Valenciennes, 1833 (Pristipoma), see Pomadasys perotaei
- ?rangiroae Fowler, 1938 (Diaphoroculius)
- rangoonensis Le Danois, 1959 (Dichotomycterus), see Chelonodon fluviatilis
- rangus Cuvier, 1828 (Mesoprion), see Lutjanus bohar
- Raniceps Oken (ex Cuvier), 1817 (Gadidae)
- raniceps Alcock, 1889 (Coloconger)
- ?raniceps Alcock, 1898 (Diplacanthopoma)
- raninus Svetovidov, 1973 (Raniceps)
- raninus Bleeker, 1858 (Pseudopimelodus)
- ?raninus Linnaeus, 1758 (Diodon)
- raninus Gill, 1858 (Batrochoglanis), see Pseudopimelodus raninus
- raninus Hollberg, 1819 (Batracocephalus), see Raniceps raninus
- raninus Jordan & Starks, 1904 (Myoxocephalus), see Myoxocephalus stelleri
- raninus Linnaeus, 1758 (Blennius), see Raniceps raninus
- raninus Nardo (ex Chiereghini), 1847 (Lepadogaster), see Diplecogaster bimaculata
- raninus Taranetz, 1934 (Gymnogobius), see Chaenogobius macrognathos
- raninus Tilesius, 1809 (Lophius), see Histrio histrio
- raninus Valenciennes, 1840 (Pimelodus), see Pseudopimelodus raninus
- Ranipterois Whitley, 1951 (Pteroinae), see Brachypterois
- ranipungti (Cyprinus)
- ranjhai Klausewitz, 1961 (Pseudochromis), see Pseudochromis caudalis
- rankini Whitley, 1945 (Epinephelus), see Epinephelus multinotatus
- ranoides Barbour, 1942 (Himantolophus), see Himantolophus groenlandicus
- ransonneti Steindachner, 1870 (Parapriacanthus)
- ?ransonneti Steindachner, 1870 (Pseudochromis)
- ransonneti Steindachner, 1870 (Platyglossus), see Halichoeres nigrescens
- ransonnetii Steindachner, 1883 (Neoditrema)
- ransonnetii Paxton et al., 1989 (Elates)
- ransonnetii Burgess, 1989 (Pelteobagrus)
- ransonnetii Jordan & Fowler, 1903 (Fluvidraco), see Pelteobagrus ransonnetii
- ransonnetii Steindachner, 1876 (Platycephalus), see Elates ransonnetii
- ransonnetii Steindachner, 1887 (Pseudobagrus), see Pelteobagrus ransonnetii
- ranula Lloris, 1982 (Careproctus)
- ranula Goode & Bean, 1879 (Liparis), see Careproctus ranula
- Ranulina Jordan & Starks, 1906 (Gobiidae), see Lophiogobius
- ranunculus Larson, 1995 (Chlamydogobius)
- ranunculus Muller, Py-Daniel & Zuanon, 1994 (Ancistrus)
- Ranzania Nardo, 1840 (Alepocephalidae)
- raoe Hora, 1929 (Nemacheilus), see Nemacheilus brunneanus
- raoe Hora, 1929 (Nemachilus), see Nemacheilus brunneanus
- Raogobius (Gobiidae)
- raoi Yoshino & Senou, 1984 (Parioglossus)
- ?raoi Hora, 1938 (Andamia)
- raoi Herre, 1939 (Amblyeleotris), see Parioglossus raoi
- raoi Herre, 1939 (Andameleotris), see Parioglossus raoi
- raoi Herre, 1939 (Salarias), see Praealticus dayi
- raoulensis Amaoka & Mihara, 1995 (Engyprosopon)
- raoulensis Eschmeyer & Poss, 1976 (Maxillicosta)
- raoulensis Waite, 1910 (Gonostoma), see Vinciguerria nimbaria
- rapa Parenti & Maciolek, 1996 (Sicyopterus)
- rapa Mooi, 1998 (Pempheris)
- ?rapaensis Allen & Randall, 1977 (Canthigaster)
- rapan Montrouzier, 1857 (Julis), see Thalassoma lunare
- ?rapandus (Costa, 1842) (Trachipterus)
- rapandus Costa, 1842 (Trachypterus), see Trachipterus rapandus
- rapanouiensis (Cheilopogon)
- rapanouiensis Parin, 1961 (Abeichthys agoo), see Cheilopogon rapanouiensis
- rapanui Allen, 1991 (Chrysiptera)
- ?rapanui de Buen, 1963 (Amanses)
- rapanui Greenfield & Hensley, 1970 (Abudefduf), see Chrysiptera rapanui
- ?rapax Gìnther, 1868 (Osteobrama)
- ?rapax Girard, 1856 (Ptychocheilus)
- rapax Agassiz, 1835 (Aspius), see Aspius aspius
- rapax Leske, 1774 (Cyprinus), see Aspius aspius
- rapax Pallas, 1814 (Cyprinus), see Aspius aspius
- rapax Steindachner, 1894 (Barbus), see Barbus mattozi
- rapensis Gmelin, 1789 (Raja), see Narke capensis
- raphidoma Ranzani, 1842 (Belone), see Tylosurus crocodilus
- Raphistoma Rafinesque, 1815 (Belonidae), see Belone
- rappi (Gerres)
- rappi Barnard, 1927 (Xystaema), see Gerres rappi
- rappii Gìnther, 1866 (Salmo), see Salmo trutta
- rapsoni Munro, 1964 (Leiognathus)
- raptator Franz, 1910 (Trachypterophrys), see Chascanopsetta lugubris danae
- raptor Lundberg, Cox Fernandes & Albert, 1996 (Magosternarchus)
- raptor Nilsson, 1832 (Gadus), see Molva molva
- raptoria Snyder, 1911 (Jordanidia), see Rexea prometheoides
- rara Fowler, 1925 (Loweina)
- rara Banarescu, 1971 (Onychostoma), see Varicorhinus rarus
- rara Jordan & Hubbs, 1925 (Kishinoella), see Thunnus tonggol
- rara Ye & Fu, 1983 (Gobiocypris), see Gobiocypris rarus
- raraensis Talwar & Jhingran, 1991 (Schizothoraichthys)
- raraensis Terashima, 1984 (Schizothorax), see Schizothoraichthys raraensis
- raridens Taranetz & Andriashev, 1937 (Lycodes)
- ?rarior Gmelin, 1789 (Cyclopterus)
- rarisquamosus Munro, 1950 (Bregmaceros)
- rarotongae Seale, 1906 (Scarichthys), see Calotomus carolinus
- rarotongae Whitley, 1965 (Iracundus signifer), see Iracundus signifer
- rarotongensis Whitley, 1965 (Salarias), see Entomacrodus caudofasciatus
- rarus (Nemacheilus)
- rarus (Varicorhinus)
- rarus Ye & Fu, 1983 (Gobiocypris)
- ?rarus Chen, 1981 (Cobitis)
- rarus Kishinouye, 1915 (Thunnus), see Thunnus tonggol
- rarus Lìtken, 1892 (Rhinoscopelus), see Loweina rara
- rarus Lìtken, 1892 (Scopelus), see Loweina rara
- rarus Zhu & Cao, 1987 (Noemacheilus), see Nemacheilus rarus
- Rasbora Bleeker, 1859 (Rasborinae)
- rasbora Bleeker, 1859 (Rasbora)
- rasbora Hamilton, 1822 (Cyprinus), see Rasbora rasbora
- Rasborella Fowler & Bean, 1923 (Cyprinidae)
- rasborella Fowler, 1910 (Hemigrammocypris)
- Rasborichthys Bleeker, 1859 (Rasborinae)
- rasborina Jordan & Snyder, 1900 (Otakia), see Gnathopogon caerulescens
- Rasborinae (Cyprinidae)
- Rasborinus Oshima, 1920 (Leuciscinae)
- rascacio Poey, 1860 (Scorpaena), see Scorpaena plumieri
- rascasio Castelnau, 1855 (Scorpoena), see Scorpaena plumieri
- raschii Esmark, 1862 (Brama), see Taractes asper
- rasconis Espinosa P©rez et al., 1993 (Dionda)
- rasconis Jordan & Snyder, 1899 (Notropis), see Dionda rasconis
- rashleighanus Couch, 1838 (Squalus), see Cetorhinus maximus
- rashleighanus Couch, 1862 (Polyprosopus), see Cetorhinus maximus
- rasi Valenciennes, 1835 (Acanthurus), see Acanthurus xanthopterus
- rasile Jordan, 1891 (Verecundum)
- rasor Castelnau, 1872 (Caesioperca)
- rasor Richardson, 1839 (Serranus), see Caesioperca rasor
- rasori Collette, 1974 (Zenarchopterus)
- rasori Popta, 1912 (Hemiramphus), see Zenarchopterus rasori
- rassi Nielsen, 1975 (Aphyonus)
- rassi Andriashev, 1955 (Lycenchelys)
- rassi Pitruk, 1991 (Pseudonotoliparis)
- rassi Kulikova, 1961 (Diaphus), see Diaphus parri
- rastellus Vari & Hutchins, 1978 (Syncomistes)
- rastralis Gilbert & Pierson, 1898 (Stolephorus), see Anchovia macrolepidota
- Rastrelliger Jordan & Starks in Jordan & Dickerson, 1908 (Scombrinae)
- rastrelliger Gilbert, 1890 (Physiculus)
- rastrelliger Eschmeyer & Herald, 1983 (Sebastes)
- rastrelliger Jordan & Gilbert, 1880 (Sebastichthys), see Sebastes rastrelliger
- rastrifer Uyeno & Sato, 1983 (Stellifer)
- rastrifer (Squalus)
- rastrifer Jordan, 1889 (Stelliferus), see Stellifer rastrifer
- Rastrineobola Fowler, 1936 (Cyprinidae)
- rastrinoides Taranetz, 1936 (Icelus)
- rastrinoides Schmidt, 1950 (Careproctus)
- Rastrinus Jordan & Evermann, 1896 (Cottidae)
- rastrinus Gilbert & Burke, 1912 (Careproctus)
- rastrosa Roberts, 1978 (Thryssa)
- rastrospinosus DeWitt & Hureau, 1979 (Chionodraco)
- rastrosus Jordan & Snyder, 1908 (Caranx), see Carangoides armatus
- Rastrum Fowler, 1904 (Carangidae), see Alepes
- rasus Garman, 1908 (Rhinobatus), see Rhinobatos cemiculus
- Rataboura Gray, 1831 (Moringuidae), see Moringua
- Ratabulus Jordan & Hubbs, 1925 (Platycephalidae)
- ratan Iljin, 1927 (Neogobius)
- ratan Iljin, 1927 (Ponticola), see Neogobius ratan
- ratan Nordmann, 1840 (Gobius), see Neogobius ratan
- rathbunae Jordan & Starks, 1905 (Larimichthys), see Larimichthys polyactis
- Rathbunella Jordan & Evermann, 1896 (Bathymasteridae)
- rathbuni Eigenmann, 1907 (Aphyocharax)
- rathbuni Jordan & Meek, 1889 (Fundulus)
- rathbuni Allen & Robertson, 1994 (Paralonchurus)
- rathbuni Goode & Bean, 1896 (Pontinus)
- ?rathbuni Evermann & Jenkins, 1891 (Upeneus)
- ?rathbuni Miranda-Ribeiro, 1915 (Pomacanthus)
- ?rathbuni Miranda-Ribeiro, 1915 (Citharichthys)
- rathbuni Jordan & Bollman, 1890 (Polycirrhus), see Paralonchurus rathbuni
- rathbuni Jordan & Evermann, 1896 (Gambusinus), see Fundulus rathbuni
- rathbuni Jordan & Evermann, 1896 (Zonoscion), see Paralonchurus rathbuni
- rathbuni Jordan & Snyder, 1901 (Pomacentrus), see Neopomacentrus taeniurus
- rathbuni Miranda-Ribeiro, 1915 (Oligoplites), see Oligoplites saurus
- rathkei Radda, 1970 ( Epiplatyssexfasciatus)
- ratisbonensium Schaeffer, 1761 (Schraitser), see Gymnocephalus schraetser
- ratmanovi Andriashev, 1955 (Lycenchelys)
- Ratsirakia Maug©, 1984 (Eleotridae)
- rattanis Malhotra & Jyoti, 1975 (Ptychobarbus), see Diptychus conirostris
- ratzeburgii Brandt, 1833 (Acipenser), see Acipenser stellatus
- ?rauchii Dum©ril, 1870 (Acipenser)
- ?rauchii Dum©ril, 1870 (Huso), see Acipenser rauchii
- raulinsii Gìnther, 1889 (Schizothorax), see Schizothorax pelzami
- rautheri Chabanaud, 1931 (Achirus), see Pardachirus hedleyi
- rava Jordan & Starks, 1895 (Pteroplatea), see Gymnura crebripunctata
- ravenelii Holbrook, 1860 (Esox), see Esox americanus
- ravenelii Valenciennes, 1831 (Pomotis), see Lepomis gibbosus
- ?raveni Nichols, 1952 (Gobius)
- ravidula Hulley, 1970 (Raja)
- ravnaki Brembach, 1991 (Nomorhamphus)
- ?rawakensis Quoy & Gaimard, 1824 (Scorpaena)
- ?raya Baer, 1899 (Manta)
- raymondi Allen, 1991 (Hephaestus)
- raymondi Mees & Kailola, 1977 (Therapon), see Hephaestus raymondi
- raymondi Ogilby, 1908 (Epinephelus), see Epinephelus rivulatus
- raynaldi Cuvier, 1831 (Platax), see Platax teira
- rayneri Macdonald & Barron, 1868 (Galeocerdo), see Galeocerdo cuvier
- readingi Hora, 1923 (Scaphiodon), see Cyprinion watsoni
- reani Day, 1871 (Scomber), see Rastrelliger kanagurta
- reba Shrestha, 1978 (Cirrhinus)
- reba Hamilton, 1822 (Cyprinus), see Cirrhinus reba
- rebainsi Krefft & Parin, 1972 (Diplophos)
- rebel (Pterois)
- rebeli Holly, 1926 (Synodontis)
- rebeli Koller, 1926 (Barbus), see Barbus peloponnesius
- rebentischii Bleeker, 1858 (Coilia)
- recalva Hubbs, 1926 (Montereya), see Clinocottus recalvus
- recalvus Eschmeyer & Herald, 1983 (Clinocottus)
- recalvus Greeley, 1899 (Blennicottus), see Clinocottus recalvus
- recavus Ng & Kottelat, 1998 (Akysis)
- Recepoecilia Whitley, 1951 (Poeciliinae), see Poecilia
- ?rechingeri Steindachner, 1906 (Mugil)
- rechingeri Steindachner, 1906 (Clupea), see Herklotsichthys quadrimaculatus
- rechingeri Steindachner, 1906 (Salarias), see Istiblennius edentulus
- recifensis Ancona Lãpez, 1956 (Carapus), see Carapus bermudensis
- rectangularis Fraser-Brunner, 1949 (Lampichthys), see Lampichthys procerus
- rectangularis Steindachner, 1864 (Acara), see Theraps intermedius
- rectangulus Matsuura, 1984 (Rhinecanthus)
- rectangulus Bloch & Schneider, 1801 (Balistes), see Rhinecanthus rectangulus
- rectifraenum Allen & Woods, 1980 (Stegastes)
- rectifraenum Gill, 1862 (Pomacentrus), see Stegastes rectifraenum
- rectifrons Fraser-Brunner, 1940 (Stephanolepis), see Stephanolepis auratus
- rectipinnis Tshibwabwa, 1997 (Labeo)
- rectipinnus Williams, 1958 (Carangoides), see Carangoides malabaricus
- rectocaudatus Fels & de Rham, 1981 (Rivulus)
- rectogoense Radda & Huber, 1977 (Aphyosemion)
- Rectoris Lin, 1935 (Cyprinidae)
- ?recurviceps Richardson, 1846 (Leuciscus)
- ?recurviceps Warpachowski, 1889 (Oreoleuciscus potanini var. ), see Oreoleuciscus potanini
- recurvirostra Rafinesque, 1810 (Sayris), see Scomberesox saurus
- recurvirostris Steindachner, 1883 (Pentaceropsis)
- recurvirostris Richardson, 1845 (Histiopterus), see Pentaceropsis recurvirostris
- recurvirostris Waite, 1903 (Prosoplismus), see Pentaceropsis recurvirostris
- recurvispinnis Fricke, 1982 ( Callionymusbelcheri)
- recurvispinnis Li, 1966 (Calliurichthys), see Callionymus belcheri recurvispinnis
- reddelli Miller, 1984 (Rhamdia), see Rhamdia laticauda
- reddingi Jordan & Richardson, 1895 (Orthopristis)
- redemptus Allen & Woods, 1980 (Stegastes)
- redemptus Heller & Snodgrass, 1903 (Pomacentrus), see Stegastes redemptus
- redi Ranzani, 1839 (Orthragoriscus), see Mola mola
- Redigobius Herre, 1927 (Gobiinae)
- reducta Whitley, 1936 (Enigmapercis)
- reedi Schultz, 1956 (Monocentris)
- reedi Gìnther, 1880 (Umbrina)
- reedi Eschmeyer & Herald, 1983 (Sebastes)
- reedi Smith, 1955 (Carapus), see Onuxodon parvibrachium
- reedi Westrheim & Tsuyuki, 1967 (Sebastodes), see Sebastes reedi
- reevesae Chang, 1944 (Botia)
- reevesii (Salanx)
- reevesii Hatooka, 1984 (Gymnothorax)
- reevesii Fowler, 1934 (Tenualosa)
- ?reevesii Gray, 1838 (Ostracion)
- reevesii Gray, 1831 (Leucosoma), see Salanx reevesii
- reevesii Richardson, 1844 (Callionymus), see Callionymus japonicus
- reevesii Richardson, 1845 (Muraena), see Gymnothorax reevesii
- reevesii Richardson, 1846 (Alosa), see Tenualosa reevesii
- reevesii Richardson, 1846 (Serranus), see Epinephelus chlorostigma
- refulgens Gilbert & Starks, 1904 (Oligoplites)
- refulgens Fowler, 1944 (Leptoligoplites), see Oligoplites refulgens
- refulgens Valenciennes, 1862 (Myripristis), see Pristigenys niphonia
- regale Gilbert, 1892 (Myctophum), see Lampanyctus regalis
- regale Paxton, 1979 (Lampanyctus), see Lampanyctus regalis
- Regalecidae (Lampridiformes)
- Regalecus Ascanius, 1772 (Regalecidae)
- regalis Wischnath, 1993 (Alloophorus)
- regalis (Lampanyctus)
- regalis Hoese & Allen, 1982 (Hypseleotris)
- regalis Gill, 1861 (Cynoscion)
- regalis Collette & Nauen, 1983 (Scomberomorus)
- regalis Randall & Lubbock, 1981 (Anthias)
- regalis Lee et al., 1980 ( Coregonusnigripinnis)
- ?regalis Snyder, 1912 (Salmo)
- regalis Alvarez, 1959 (Neoophorus), see Alloophorus regalis
- regalis Bloch & Schneider, 1801 (Enchelyopus), see Urophycis regia
- regalis Bloch & Schneider, 1801 (Johnius), see Cynoscion regalis
- regalis Bloch, 1793 (Scomber), see Scomberomorus regalis
- regalis Espinosa P©rez et al., 1993 (Allotoca), see Alloophorus regalis
- regalis Hubbs & Lagler, 1949 (Notropis heterolepis), see Notropis heterolepis
- regalis Koelz, 1929 (Leucichthys nigripinnis), see Coregonus nigripinnis regalis
- regalis Randall & Lubbock, 1981 (Mirolabrichthys), see Anthias regalis
- Reganella Eigenmann, 1905 (Loricariinae)
- regani Jordan & Hubbs, 1919 (Chirostoma)
- regani Wu et al., 1977 ( Percocyprispingi)
- regani Hubbs, 1926 (Gambusia)
- regani T¥ning, 1932 (Diaphus)
- regani (Apogon)
- regani Nakabo, 1979 (Callionymus)
- regani (Bryconamericus)
- regani Kullander, 1980 (Apistogramma)
- regani Ploeg, 1989 (Crenicichla)
- regani Poll, 1942 (Julidochromis)
- regani (Theraps)
- regani Stiassny, 1989 (Tylochromis)
- regani Popov, 1933 (Lycozoarces)
- regani Hensley & Suzumoto, 1990 (Engyprosopon)
- regani (Symphurus)
- regani (Zebrias)
- regani Jordan (ex Regan), 1908 (Hoplichthys)
- regani Fowler (Astroblepus)
- regani Eigenmann, 1925 (Anadoras)
- regani Giltay, 1936 (Hemipsilichthys)
- regani Isbrìcker, 1980 (Hypostomus)
- regani Burgess, 1989 (Trichomycterus)
- regani Zugmayer, 1914 (Cetostoma)
- regani Fowler, 1934 (Holohalaelurus)
- ?regani (Gìnther, 1910) (Tetraodon)
- regani (Puntius), see Percocypris pingi regani
- regani Chabanaud, 1934 (Pseudaesopia), see Zebrias regani
- regani Dor, 1984 (Zebrinus), see Zebrias regani
- regani Eigenmann, 1917 (Pygidium), see Trichomycterus regani
- regani Gilchrist, 1906 (Synaptura), see Zebrias regani
- regani Gilchrist, 1922 (Scylliorhinus), see Holohalaelurus regani
- regani Gìnther, 1910 (Tetrodon), see Tetraodon regani
- regani Hubbs, 1926 (Heterophallina), see Gambusia regani
- regani Ihering, 1905 (Plecostomus), see Hypostomus regani
- regani Jayaram, 1965 (Leiocassis), see Leiocassis poecilopterus
- regani Koefoed, 1944 (Xenoceratias), see Melanocetus murrayi
- regani Meek, 1907 (Rhamdia), see Rhamdia laticauda
- regani Meek, 1909 (Astyanax), see Bryconamericus regani
- regani Miller, 1974 (Cichlasoma), see Theraps regani
- regani Myers, 1952 (Cynolebias), see Cynolebias microphthalmus
- regani Norman, 1930 (Eustomias), see Eustomias enbarbatus
- regani Norman, 1930 (Haploclonus), see Eustomias enbarbatus
- regani Pellegrin, 1906 (Pelmatochromis), see Chromidotilapia kingsleyae
- regani Pellegrin, 1909 (Arges), see Astroblepus regani
- regani Pellegrin, 1934 (Phyllogramma), see Cynoponticus ferox
- regani Poll, 1932 (Tilapia), see Oreochromis niloticus
- regani Steindachner, 1908 (Doras), see Anadoras regani
- regani Tchang, 1935 (Barbus), see Percocypris pingi regani
- regani Whitley & Phillipps, 1939 (Prymnothonoides), see Arctozenus risso
- regani von Bonde & Swart, 1923 (Heteronarce), see Heteronarce garmani
- Regania Jordan in Jordan & Starks, 1904 (Bathygadinae), see Bathygadus
- Reganichthys Bigelow & Barbour, 1944 (Ceratiidae), see Ceratias
- Reganichthys Ogilby, 1915 (Glaucosomatidae), see Glaucosoma
- reganii Popta, 1905 (Homaloptera tate), see Pseudohomaloptera tatereganii
- Reganina Fowler, 1907 (Myleinae), see Colossoma
- Reganisalanx Fang, 1934 (Albulinae), see Salanx
- reganius Wakiya & Takahashi, 1937 (Neosalanx)
- Reganochromis Whitley, 1929 (Cichlidae)
- Reganotilapia Whitley, 1950 (Cichlidae), see Tilapia
- Reganula Bigelow & Barbour, 1944 (Ceratiidae), see Ceratias
- regelii Herzenstein, 1888 (Schizothorax), see Schizothorax intermedius
- regia (Atherina)
- regia (Odontesthes)
- regia Gill, 1863 (Urophycis)
- regia Robins & Colin, 1979 (Lipogramma)
- regia Asso, 1801 (Perca), see Argyrosomus regius
- regia De Vis, 1884 (Genyoroge), see Lutjanus sebae
- regia Humboldt, 1821 (Atherina), see Odontesthes regia
- Regificola Whitley, 1931 (Carangidae), see Seriola
- regilla Hubbs, 1918 (Austromenidia), see Odontesthes regillus
- regillus Dyer, 1997 (Odontesthes)
- regillus Abbott, 1899 (Basilichthys), see Odontesthes regillus
- Regilophotes Whitley, 1933 (Lophotidae), see Lophotus
- regina Ivantsoff, 1997 (Atherinomorus)
- regina Fowler, 1934 (Danio)
- regina (Paraliparis)
- regina Bonaparte, 1836 (Cyprinus), see Cyprinus carpio
- regina Chernova, 1991 (Rhodichthys), see Paraliparis regina
- regina Collett, 1879 (Rhodichthys), see Paraliparis regina
- regina Fowler, 1934 (Rambaibarnia), see Danio regina
- regina Guichenot (ex Valenciennes), 1848 (Aplodactylus), see Aplodactylus punctatus
- regina Seale, 1910 (Atherina), see Atherinomorus regina
- regina Whitley, 1937 (Scolopsis), see Scolopsis monogramma
- reginae Sauvage (ex Li©nard), 1891 (Holacanthus), see Pomacanthus semicirculatus
- regis Hubbs, 1918 (Colpichthys)
- regis Hjort & Koefoed, 1912 (Bathymicrops)
- regis Jenkins & Evermann, 1889 (Atherinops), see Colpichthys regis
- regium Elvira, 1997 (Chondrostoma)
- regium Gilmore & Jones, 1988 (Lipogramma), see Lipogramma regia
- regius (Ophichthus)
- regius Girard, 1856 (Hybognathus)
- regius (Lethrinus)
- regius Trewavas, 1973 (Argyrosomus)
- regius Bauchot, 1987 (Phrynorhombus)
- regius Bonnaterre, 1788 (Pleuronectes), see Phrynorhombus regius
- regius Bonnaterre, 1788 (Zeus), see Lampris guttatus
- regius Chiaje, 1847 (Gymnotus), see Electrophorus electricus
- regius Edwards & Glass, 1987 (Herpetoichthys), see Ophichthus regius
- regius Heckel, 1843 (Chondochilus), see Chondrostoma regium
- regius Molina, 1782 (Cyprinus), see Cyprinus carpio
- regius Nau, 1791 (Cyprinus), see Cyprinus carpio
- regius Richardson (ex Shaw), 1848 (Ophisurus), see Ophichthus regius
- regius Walbaum, 1792 (Blennius), see Urophycis regia
- regius Whitley, 1931 (Euchoristopus kalolo), see Periophthalmus argentilineatus
- regularis Collette, 1974 (Hyporhamphus)
- regularis (Acanthochromis)
- ?regularis Cantraine, 1833 (Dentex)
- regularis Brauer, 1904 (Myctophum coccoi f. ), see Centrobranchus nigroocellatus
- regularis Garman, 1903 (Caranx), see Caranx papuensis
- regularis Gìnther, 1866 (Hemirhamphus), see Hyporhamphus regularis
- regulus Haedrich, 1967 (Ariomma)
- ?regulus Ekstræm, Ekstræm & Sundevall, 1836-48 (Sebastes)
- regulus Ginsburg, 1933 (Hippocampus), see Hippocampus zosterae
- regulus Ginsburg, 1937 (Jamsus), see Hippocampus zosterae
- regulus Poey, 1868 (Psenes), see Ariomma regulus
- rehni Fowler, 1932 (Curimatella), see Cyphocharax gillii
- reichei (Papillogobius)
- reichei Bleeker, 1853 (Gobius), see Papillogobius reichei
- reichei Bleeker, 1858 (Halichoeres), see Halichoeres nebulosus
- reichei Bleeker, 1858 (Julis), see Halichoeres nebulosus
- reichei Goren, 1989 (Oplopomus), see Papillogobius reichei
- reichei Prince Akihito, 1984 (Favonigobius), see Papillogobius reichei
- Reicheltia Hardy, 1982 (Tetraodontidae)
- reicherti Crossman, 1978 (Esox), see Esox reichertii
- reichertii Dybowski, 1869 (Esox)
- reidi (Smith, 1945) (Schistura)
- reidi Tshibwabwa, 1997 (Labeo)
- reidi Ginsburg, 1933 (Hippocampus)
- reidi Fowler & Bean, 1928 (Pomacentrus)
- reidi Fowler, 1934 (Diaphus), see Diaphus lucidus
- reidi Myers & Wade, 1946 (Microdesmus), see Microdesmus dipus
- reidi Schultz, 1943 (Uropterygius), see Uropterygius macrocephalus
- reidi Smith, 1945 (Nemacheilus), see Schistura reidi
- reidi Smith, 1945 (Noemacheilus), see Schistura reidi
- ?reidur Lacep¨de, 1803 (Salmo)
- reighardi Lee et al., 1980 (Coregonus)
- reighardi Koelz, 1924 (Leucichthys), see Coregonus reighardi
- Reighardina Creaser & Hubbs, 1922 (Petromyzontinae), see Ichthyomyzon
- reinhardi Collett (ex Kro{/yer), 1879 (Motella), see Gaidropsarus argentatus
- reinhardti Lìtken, 1875 (Brycon)
- reinhardti Lìtken, 1875 (Leporinus)
- reinhardti Kaup, 1856 (Rhamphichthys)
- reinhardti Paxton, 1979 (Lampanyctus)
- reinhardti Kro{/yer, 1862 (Careproctus)
- reinhardti Lìtken, 1874 (Bagropsis)
- reinhardti Burgess, 1989 (Trichomycterus)
- reinhardti Burgess, 1989 (Stegophilus), see Ochmacanthus reinhardtii
- reinhardti Eigenmann, 1917 (Pygidium), see Trichomycterus reinhardti
- reinhardti Gill, 1878 (Corynolophus), see Himantolophus groenlandicus
- reinhardti Jordan, 1921 (Nyctimaster), see Lampanyctus reinhardti
- reinhardti Krefft & Bekker, 1973 (Scopelus), see Hygophum reinhardtii
- reinhardti Kro{/yer, 1862 (Liparis), see Careproctus reinhardti
- reinhardti Lìtken, 1878 (Himantolophus), see Himantolophus groenlandicus
- reinhardti Steindachner, 1867 (Dules), see Macquaria novemaculeata
- reinhardtii Steindachner, 1867 (Anguilla)
- reinhardtii Krefft & Bekker, 1973 (Hygophum)
- reinhardtii Burgess, 1989 (Ochmacanthus)
- reinhardtii Burgess, 1989 (Bagropsis), see Bagropsis reinhardti
- reinhardtii Lìtken, 1874 (Bagropsis), see Bagropsis reinhardti
- reinhardtii Lìtken, 1892 (Scopelus), see Hygophum reinhardtii
- reinhardtii Steindachner, 1882 (Stegophilus), see Ochmacanthus reinhardtii
- Reinhardtius Gill, 1861 (Pleuronectinae)
- reini Masuda et al., 1984 (Liobagrus), see Liobagrus reinii
- reinii Gìnther, 1874 (Barbus)
- reinii Hilgendorf, 1879 (Cottus)
- reinii Hilgendorf, 1878 (Liobagrus)
- reinwardtii Gìnther, 1860 (Chaetodon), see Chaetodon melannotus
- reipublicae Matsuura & Tyler, 1997 (Tetrosomus)
- reipublicae Ogilby, 1913 (Lactophrys), see Tetrosomus reipublicae
- reiseri Steindachner, 1893 (Chondrostoma), see Chondrostoma phoxinus x phoxinellus alepidotus
- reiseri Steindachner, 1893 (Chondrostoma), see Phoxinellus alepidotus x chondrostoma phoxinus
- reisingeri Valenciennes, 1848 (Coregonus), see Coregonus renke
- reissneri (Berg, 1948) (Lethenteron)
- reissneri Berg, 1948 (Lampetra), see Lethenteron reissneri
- reissneri Bogutskaya & Naseka, 1996 (Lampetra), see Lethenteron reissneri
- reissneri Dybowski, 1869 (Petromyzon), see Lethenteron reissneri
- reitzigi Ahl, 1939 (Apistogramma), see Apistogramma borellii
- rekohua Mitchell, 1995 (Galaxias)
- relicta Lilljeborg, 1891 (Cottus quadricornis var. ), see Triglopsis quadricornis
- relicta Malmgren, 1863 (Trutta salar), see Salmo salar
- Relictogobius Ptchelina, 1939 (Gobiinae), see Chromogobius
- Relictus Hubbs & Miller, 1972 (Cyprinidae)
- relictus Able & Felley, 1988 (Fundulus)
- relictus Berg, 1932 (Salmo salar brevipes m. ), see Salmo salar
- relictus Turdakov & Piskarev, 1954 (Phoxinus issykkulensis), see Phoxinus issykkulensis
- relictus Warpachowski, 1889 (Leucaspius), see Leucaspius delineatus
- ?reliquus Hubbs & Miller, 1972 ( Rhinichthysosculus)
- remedius Jenkins, 1901 (Hemicoris), see Coris venusta
- remeligo Guichenot (ex Dum©ril), 1863 (Echeneis), see Remora remora
- remicaudus Kaup, 1856 (Centrurophis), see Ophichthus rufus
- remifer Jordan & Gilbert, 1882 (Isopisthus)
- remifer Smith & Radcliffe, 1913 (Eretmichthys), see Eretmichthys pinnatus
- ?remifera Jordan & Evermann, 1902 (Anguilla)
- remiger McCosker & Rosenblatt, 1998 (Ophichthus)
- remiger Smith & Radcliffe, 1912 (Sladenia)
- remiger Goode & Bean, 1896 (Myctophum), see Hygophum hanseni
- remiger Valenciennes, 1842 (Ophisurus), see Ophichthus remiger
- remigera Gilbert & Cramer, 1897 (Scorpaena), see Setarches guentheri
- remigera Gilbert, 1915 (Bothrocara), see Bothrocara molle
- Remilegia Gill, 1862 (Echeneidae), see Remora
- remipes Brìnnich, 1788 (Regalecus), see Regalecus glesne
- remissaria Fedorov, 1995 (Lycenchelys)
- Remora Gill, 1862 (Echeneidae)
- remora Gill, 1862 (Remora)
- remora Linnaeus, 1758 (Echeneis), see Remora remora
- Remorina Jordan & Evermann, 1896 (Echeneidae)
- remoro¯des Bleeker, 1855 (Echeneis), see Remora remora
- remoroides Bleeker, 1855 (Echeneis), see Remora remora
- Remoropsis Gill, 1863 (Echeneidae), see Remora
- remotoides Deng, Xiong & Zhan, 1981 (Carcharhinus), see Carcharhinus brachyurus
- remotus Roberts, 1982 (Chonerhinos)
- remotus Dum©ril (ex Valenciennes), 1865 (Carcharias), see Carcharhinus acronotus
- remotus Dum©ril (ex Valenciennes), 1865 (Prionodon), see Carcharhinus acronotus
- remotus Poey, 1860 (Serranus), see Epinephelus morio
- ?renardi Bleeker, 1856 (Ostracion)
- renardi Bleeker, 1851 (Halichoeres), see Stethojulis strigiventer
- renardi Bleeker, 1851 (Julis), see Stethojulis strigiventer
- renata Tan, 1998 (Betta)
- renatus Lacep¨de, 1803 (Salmo), see Salmo salar
- rendahli Wu et al., 1977 (Sinilabeo)
- rendahli Arnold, 1956 (Echiodon)
- rendahli Parrott, 1958 (Limnichthys)
- rendahli Burgess, 1989 (Pseudobagrus)
- rendahli Ahl, 1923 (Pimelodella)
- rendahli (Neosilurus)
- rendahli (Paxton et al., 1989) (Porochilus)
- ?rendahli Lin, 1931 (Barbus)
- rendahli (Puntius), see Barbus rendahli
- rendahli Banarescu & Nalbant, 1968 (Nemacheilus), see Nemacheilus denisoni
- rendahli Banarescu & Nalbant, 1968 (Noemacheilus), see Nemacheilus denisoni
- rendahli Chu, 1935 (Semiculter), see Hemiculterella sauvagei
- rendahli Jordan & Seale, 1926 (Coilia), see Coilia brachygnathus
- rendahli Kimura, 1934 (Labeo), see Sinilabeo rendahli
- rendahli Kimura, 1934 (Varicorhynus), see Sinilabeo rendahli
- rendahli Paxton et al., 1989 (Neosilurus), see Porochilus rendahli
- rendahli Pellegrin & Fang, 1940 (Aoria), see Pseudobagrus rendahli
- rendahli Whitley, 1928 (Copidoglanis), see Porochilus rendahli
- rendahli Whitley, 1941 (Carapus), see Echiodon rendahli
- rendahli Wu, 1930 (Nicholsiculter), see Hemiculterella sauvagei
- rendalli Boulenger, 1896 (Tilapia)
- rendalli Boulenger, 1897 (Chromis), see Tilapia rendalli
- ?rengifoi Dahl, 1960 (Astroblepus)
- Reniceps Gill, 1862 (Carcharhinidae), see Sphyrna
- renke Kottelat, 1997 (Coregonus)
- renke Schrank & Wartmann, 1783 (Salmo), see Coregonus renke
- rennellensis Rofen, 1958 (Istiblennius), see Praealticus bilineatus
- renniei Randall et al., 1994 (Ammodytoides)
- renniei Smith, 1957 (Bleekeria), see Ammodytoides renniei
- Renova Thomerson & Taphorn, 1995 (Rivulinae)
- renschi Ahl, 1929 (Myctophum), see Benthosema fibulatum
- repandus Metaxa, 1833 (Gymnetrus), see Zu cristatus
- repandus Poey, 1860 (Serranus), see Mycteroperca tigris
- repang Popta, 1904 (Osteochilus)
- repasson Roberts, 1989 (Cyclocheilichthys)
- repasson (Puntius), see Cyclocheilichthys repasson
- repasson Bleeker, 1853 (Barbus), see Cyclocheilichthys repasson
- Repomucenus Whitley, 1931 (Callionymidae)
- Reporhamphus Whitley, 1931 (Hemiramphidae), see Hyporhamphus
- Repotrudis Whitley, 1930 (Platycephalidae), see Suggrundus
- rerio (Brachydanio)
- rerio Hamilton, 1822 (Cyprinus), see Brachydanio rerio
- rerio Shrestha, 1978 (Danio), see Brachydanio rerio
- ?reseratum Alvarez, 1963 (Chirostoma)
- resh Robins & Randall, 1965 (Chaenopsis)
- resimus Gronow, 1854 (Chaetodon), see Pomacanthus sexstriatus
- resina Herre, 1924 (Mandibularca), see Mandibularca resinus
- resinus Herre, 1924 (Mandibularca)
- resolanae Turner, 1946 (Xenotaenia)
- respectus (Sartor)
- resplendens Annandale, 1918 (Sawbwa)
- resplendens Gìnther, 1864 (Notoscopelus)
- resplendens Lubbock & Sankey, 1975 (Centropyge)
- resplendens Hombron & Jacquinot, 1853 (Johnius), see Pennahia anea
- resplendens Richardson, 1845 (Lampanyctus), see Notoscopelus resplendens
- resticularia Nelson & McCarthy, 1995 (Nematalosa)
- resticulosa Kullander, 1980 (Apistogramma)
- restrictus Fatio, 1885 (Coregonus)
- resupinatus Boulenger, 1904 (Synodontis)
- retiaria Hutton, 1873 (Rhombosolea)
- retiarium Whitley & Phillipps, 1939 (Adamasoma), see Rhombosolea retiaria
- reticularis Bloch, 1795 (Gymnothorax)
- reticularis Smith, 1959 (Palutrus)
- reticularis Dor, 1984 (Arothron)
- ?reticularis Weber, 1911 (Gobius)
- ?reticularis Tien, Cheng & Wang, 1975 (Fugu)
- reticularis Bleeker, 1865 (Dilobomycter), see Sphoeroides testudineus
- reticularis Bloch & Schneider, 1801 (Tetrodon), see Arothron reticularis
- reticularis Gilbert, 1892 (Antennarius), see Antennatus strigatus
- reticularis Troschel (ex Bibron), 1856 (Dilobomycter), see Sphoeroides testudineus
- reticulata Collette, 1966 (Daector)
- reticulata Weber & de Beaufort, 1915 (Rasbora)
- reticulata Peters, 1860 (Poecilia)
- reticulata Ortega & Vari, 1986 (Crenicichla)
- reticulata (Opistognathus)
- reticulata Eschmeyer & Poss, 1976 (Maxillicosta)
- reticulata Mees, 1974 (Tatia)
- reticulata Boeseman, 1971 (Farlowella)
- reticulata Miyake & McEachran, 1988 (Urotrygon)
- ?reticulata Walbaum, 1792 (Perca)
- ?reticulata Bliss (ex Steindachner), 1883 (Pogonoperca)
- reticulata Allen [W. R.], 1942 (Curimata), see Curimatella meyeri
- reticulata Bleeker, 1858 (Piratinga), see Bagrus reticulatus
- reticulata Gìnther, 1864 (Thalassophryne), see Daector reticulata
- reticulata McClelland, 1844 (Thaerodontis), see Gymnothorax favagineus
- reticulata McKay, 1969 (Tandya), see Opistognathus reticulata
- reticulata Ortega & Vari, 1986 (Curimata), see Curimatella meyeri
- reticulata Shaw, 1804 (Spatularia), see Polyodon spathula
- reticulata Swainson, 1839 (Hemistoma), see Scarus ghobban
- reticulata Valenciennes (ex Lesueur), 1847 (Amia), see Amia calva
- reticulata de Buen, 1961 (Cristula), see Maxillicosta reticulata
- reticulatum McClelland, 1842 (Glyptosternon)
- reticulatum Bleeker, 1852 (Machaerium), see Congrogadus subducens
- reticulatum Eigenmann & Eigenmann, 1889 (Pseudoplatystoma fasciatum var. ), see Pseudoplatystoma fasciatum
- reticulatum Gìnther, 1859 (Diagramma), see Plectorhinchus flavomaculatus
- reticulatum Swainson, 1839 (Hemistoma), see Scarus ghobban
- reticulatus Allen & Ivantsoff, 1986 (Pseudomugil)
- reticulatus Greenfield, 1997 (Allenbatrachus)
- reticulatus Collette, 1983 (Sanopus)
- reticulatus Ellis, 1911 (Hyphessobrycon)
- reticulatus Britski & Garavello, 1993 (Leporinus)
- reticulatus Valenciennes, 1850 (Prochilodus)
- reticulatus Fowler, 1935 (Crossocheilus)
- reticulatus Caruso & Suttkus, 1979 (Lophiodes)
- reticulatus Smith & Radcliffe, 1912 (Halicmetus)
- reticulatus (Halieutichthys)
- reticulatus Smith-Vaniz, 1976 (Meiacanthus)
- reticulatus Valenciennes, 1837 (Callionymus)
- reticulatus Cuvier, 1831 (Chaetodon)
- reticulatus Playfair, 1867 (Gobiodon)
- reticulatus (Labrus)
- reticulatus Gìnther, 1861 (Semicossyphus)
- reticulatus Valenciennes, 1830 (Lethrinus)
- reticulatus Ida, 1984 (Dascyllus)
- reticulatus Gill & Woodland, 1992 (Pseudochromis)
- reticulatus Allen & Robertson, 1994 (Cynoscion)
- reticulatus Allen & Robertson, 1991 (Enneanectes)
- reticulatus Reinhardt, 1835 (Lycodes)
- reticulatus Munroe, 1990 (Symphurus)
- reticulatus Fraser-Brunner, 1938 (Corydoras)
- reticulatus Roberts, 1989 (Chiloglanis)
- reticulatus Brisout de Barneville (ex Bibron), 1846 (Chilomycterus)
- reticulatus La Marca, 1997 (Potamotrygon)
- ?reticulatus Herre, 1923 (Anarchias)
- ?reticulatus (Richardson, 1836) (Cyprinus)
- ?reticulatus Shen & Lim, 1973 (Acanthurus)
- ?reticulatus Klunzinger, 1880 (Eleotris)
- ?reticulatus Kittlitz, 1858 (Cheilinus)
- ?reticulatus Steindachner, 1881 (Opisthocentrus)
- ?reticulatus Kner, 1858 (Bagrus)
- ?reticulatus Hollard, 1854 (Balistes)
- ?reticulatus Bleeker, 1849 (Tetraodon)
- ?reticulatus Teng, 1962 (Aetobatus)
- reticulatus Bonnaterre, 1788 (Labrus), see Symphodus melops
- reticulatus Boulenger, 1906 (Lamprologus), see Lamprologus callipterus
- reticulatus Boulenger, 1911 (Mastacembelus), see Aethiomastacembelus liberiensis
- reticulatus Breder, 1936 (Canthigaster punctatissimus), see Canthigaster punctatissima
- reticulatus Eichwald, 1831 (Gobius), see Zosterisessor ophiocephalus
- reticulatus Eigenmann & Eigenmann, 1893 (Notropis), see Notropis ludibundus
- reticulatus Eigenmann, 1907 (Acanthophacelus), see Poecilia reticulata
- reticulatus Eydoux & Souleyet, 1850 (Chironectes), see Antennarius tuberosus
- reticulatus Fowler & Bean, 1928 (Chromis), see Chromis xanthochira
- reticulatus Fowler, 1934 (Holotylognathus), see Crossocheilus reticulatus
- reticulatus Fowler, 1946 (Cirripectes), see Cirripectes castaneus
- reticulatus Gill, 1862 (Caularchus), see Gobiesox maeandricus
- reticulatus Gill, 1865 (Trisotropis), see Mycteroperca tigris
- reticulatus Girard, 1854 (Lepadogaster), see Gobiesox maeandricus
- reticulatus Gosse, 1986 (Caecomastacembelus), see Aethiomastacembelus liberiensis
- reticulatus Gìnther, 1864 (Otolithus), see Cynoscion reticulatus
- reticulatus Gìnther, 1880 (Trygon), see Potamotrygon reticulatus
- reticulatus Heckel, 1840 (Batrachops), see Crenicichla reticulata
- reticulatus Hippius, 1910 (Girardinus januarius var. ), see Poecilia reticulata
- reticulatus Lesueur, 1818 (Esox), see Esox niger
- reticulatus Linnaeus, 1758 (Diodon), see Chilomycterus reticulatus
- reticulatus Lowe, 1839 (Labrus), see Labrus bergylta
- reticulatus McClelland, 1839 (Perilampus), see Danio dangila
- reticulatus Rafinesque, 1814 (Esox), see Esox niger
- reticulatus Regan, 1913 (Acanthophacelus), see Poecilia reticulata
- reticulatus Richardson, 1836 (Catostomus), see Cyprinus reticulatus
- reticulatus Richardson, 1846 (Heliases), see Dascyllus reticulatus
- reticulatus Richardson, 1848 (Galaxias), see Galaxias fasciatus
- reticulatus Risso, 1810 (Lepadogaster), see Diplecogaster bimaculata
- reticulatus Shaw, 1803 (Sparus), see Sparus capistratus
- reticulatus Steindachner, 1870 (Batrachus), see Allenbatrachus reticulatus
- reticulatus Troschel, 1865 (Pseudoxiphophorus), see Heterandria bimaculata
- reticulatus Valenciennes (ex Kuhl & van Hasselt), 1828 (Serranus), see Epinephelus ongus
- reticulatus Valenciennes, 1831 (Bryttus), see Lepomis punctatus
- reticulatus Valenciennes, 1837 (Gobius), see Pomatoschistus marmoratus
- reticulatus Valenciennes, 1839 (Cossyphus), see Semicossyphus reticulatus
- reticulatus Weber & de Beaufort, 1915 (Rasbora), see Rasbora reticulata
- reticulatus Weber, 1913 (Ambassis interrupta var. ), see Ambassis agrammus
- reticulofasciatus (Mesonoemacheilus)
- reticulofasciatus Menon, 1987 (Nemacheilus), see Mesonoemacheilus reticulofasciatus
- reticulofasciatus Menon, 1987 (Noemacheilus), see Mesonoemacheilus reticulofasciatus
- retifer (Muraena)
- retifer Jordan & Gilbert, 1884 (Scyliorhinus)
- retifer Fowler, 1935 (Ophichthus), see Ophichthus erabo
- retifera Goode & Bean, 1882 (Muraena)
- retifera Gilbert, 1905 (Halieutaea)
- retiferum Garman, 1881 (Scyllium), see Scyliorhinus retifer
- retigramma Kishinouye, 1926 (Lepidosarda), see Lepidocybium flavobrunneum
- retouti Bleeker, 1868 (Epinephelus), see Epinephelus fasciatus
- retractus Poey, 1868 (Calliodon), see Nicholsina usta
- Retroculus Eigenmann & Bray, 1894 (Cichlidae)
- retrocurrens Poey, 1867 (Haemulon), see Haemulon bonariense
- retrodens Hilgendorf, 1888 (Hoplotilapia)
- retrodens Hilgendorf, 1888 (Paratilapia), see Hoplotilapia retrodens
- retrodorsalis Lan, Yang & Chen, 1995 (Oreonectes)
- retrodorsalis Gosse, 1984 (Hippopotamyrus)
- retrodorsalis McAllister et al., 1981 (Gymnelus)
- retrodorsalis Brittan, 1972 (Rasbora dusonensis), see Rasbora dusonensis
- retrodorsalis Cui & Chu, 1990 (Percocypris pingi), see Percocypris pingi
- retrodorsalis Le Danois, 1913 (Gymnelis), see Gymnelus retrodorsalis
- retrodorsalis Nichols & Griscom, 1917 (Marcusenius), see Hippopotamyrus retrodorsalis
- retrodorsalis Smith, 1945 (Rasbora), see Rasbora dusonensis
- retrodorsalis Thompson, 1915 (Idiacanthus), see Idiacanthus atlanticus
- retrofasciata Weber, 1913 (Chromis)
- retrofasciatus Fourmanoir & Randall, 1979 (Plectranthias)
- retrofasciatus Weber, 1913 (Chromis), see Chromis retrofasciata
- Retropinna Gill, 1862 (Retropinninae)
- retropinna Smith & Bæhlke, 1983 (Neenchelys)
- retropinna Rosen & Bailey, 1963 (Poeciliopsis)
- retropinna Gill, 1862 (Retropinna)
- retropinna Fowler, 1943 (Leptoderma), see Leptoderma retropinnum
- retropinna Regan, 1908 (Arges), see Astroblepus retropinnis
- retropinna Regan, 1908 (Poecilia), see Poeciliopsis retropinna
- retropinna Richardson, 1848 (Argentina), see Retropinna retropinna
- retropinna Steindachner (Richardsonia), see Retropinna retropinna
- retropinna Steindachner, 1866 (Richardsonia), see Retropinna retropinna
- retropinnatus Stewart, 1986 (Horiomyzon)
- retropinnatus Holt, 1891 (Nettophichthys), see Synaphobranchus kaupii
- retropinne Burgess, 1989 (Trichomycterus), see Trichomycterus retropinnis
- Retropinnidae (Galaxioidea)
- Retropinninae (Retropinnidae)
- retropinnis McAllister, 1990 (Schultzidia)
- retropinnis Dyer, 1997 (Odontesthes)
- retropinnis Fowler (Leporellus)
- retropinnis ( Nemacheilusdorsonotatus)
- retropinnis Dawson, 1982 (Cosmocampus)
- retropinnis Vaillant, 1899 (Polypterus)
- retropinnis Burgess, 1989 (Astroblepus)
- retropinnis Regan, 1903 (Trichomycterus)
- ?retropinnis Jordan, 1878 (Catostomus)
- ?retropinnis Jordan & Gilbert, 1882 (Microdesmus)
- retropinnis Eigenmann, 1887 (Ophichthys), see Ophichthus puncticeps
- retropinnis Eigenmann, 1922 (Leporinodus), see Leporellus retropinnis
- retropinnis Eigenmann, 1942 (Bunocephalus), see Dysichthys doriae
- retropinnis Fowler, 1934 (Muraenichthys), see Schultzidia retropinnis
- retropinnis Herzenstein, 1888 (Nemachilus dorsonotatus), see Nemacheilus dorsonotatus retropinnis
- retropinnis de Buen, 1953 (Yaci), see Odontesthes retropinnis
- retropinnum Okamura & Kitajima, 1984 (Leptoderma)
- retrosella Allen & Robertson, 1994 (Apogon)
- retrosella Gill, 1862 (Amia), see Apogon retrosella
- retrospina Reis, 1989 (Brachychalcinus)
- retrospinis Gill, 1862 (Plectrypops)
- retrospinis Fowler, 1934 (Paratriacanthodes)
- retrospinis Fowler, 1943 (Stephanolepis), see Paramonacanthus choirocephalus
- retrospinis Guichenot, 1853 (Holocentrum), see Plectrypops retrospinis
- retrospinis Robins & Ray, 1986 (Plectropops), see Plectrypops retrospinis
- retrospinus Boulenger, 1892 (Brachychalcinus), see Brachychalcinus retrospina
- retrotincta Asano, 1984 (Rhechias), see Bathycongrus retrotinctus
- retrotinctus (Bathycongrus)
- retrotinctus Jordan & Snyder, 1901 (Leptocephalus), see Bathycongrus retrotinctus
- ?retusifrons Gronow, 1854 (Cottus)
- retzii Dawson, 1984 (Microphis)
- retzii Bleeker, 1856 (Syngnathus), see Microphis retzii
- retzii Dawson, 1984 (Lophocampus), see Microphis retzii
- retzii Ranzani, 1839 (Orthragoriscus), see Mola mola
- reuniens Turdakov, 1952 (Nemachilus strauchi), see Nemacheilus strauchii
- reuteri Lenz, 1881 (Salarias), see Entomacrodus vermiculatus
- revellei Schultz, 1953 (Pseudoplesiops)
- reversa Roberts, 1989 (Botia)
- reversa Stehmann, 1976 (Raja)
- reversa Jordan, Evermann & Wakiya, Evermann & Tanaka, 1927 (Uraspis), see Uraspis secunda
- reversa Lloyd, 1906 (Raia), see Raja reversa
- revulsus Jordan & Snyder, 1901 (Xyrias)
- Rewa (Gobiidae)
- ?rewah McClelland, 1839 ( Cyprinusmrigala)
- rex Bæhlke & Caruso, 1980 (Ophichthus)
- rex Buckup, 1993 (Melanocharacidium)
- rex Lee et al., 1980 (Percina)
- rex Yoshino, 1984 (Chrysiptera)
- ?rex Eigenmann, 1891 (Catostomus)
- ?rex Seale, 1910 (Pseudochromis)
- rex Bæhlke, 1958 (Characidium), see Melanocharacidium rex
- rex De Vis, 1885 (Labrichthys), see Pseudolabrus guentheri
- rex Eigenmann & Kennedy, 1902 (Leptocephalus), see Ariosoma balearicum
- rex Fowler, 1934 (Prajadhipokia), see Mystus bocourti
- rex Jordan & Evermann, 1889 (Etheostoma), see Percina rex
- rex Jordan & Seale, 1926 (Stolephorus), see Stolephorus commersonii
- rex Ramsay & Ogilby, 1886 (Coris), see Coris sandeyeri
- rex Snyder, 1909 (Abudefduf), see Chrysiptera rex
- rex Walbaum, 1792 (Cyprinus), see Cyprinus carpio
- rex Whitley, 1945 (Sciaena antarctica), see Nibea diacanthus
- rexcyprinorum Bloch, 1782 (Cyprinus), see Cyprinus carpio
- Rexea Waite, 1911 (Gempylidae)
- rexhalecum (Regalecus)
- Rexichthys Parin & Astakhov, 1987 (Gempylidae)
- rexmullorum Cuvier, 1828 (Apogon), see Apogon imberbis
- rexsalmonorum (Trachipterus)
- rex-salmonorum Jordan & Gilbert, 1894 (Trachypterus), see Trachipterus rexsalmonorum
- rexsalmonorum Jordan & Gilbert, 1894 (Trachypterus), see Trachipterus rexsalmonorum
- ?reyesi Dahl, 1964 (Pimelodella)
- reyi Shen et al., 1986 (Andamia)
- reyi Sauvage, 1880 (Salarias), see Andamia reyi
- reynaldi Valenciennes, 1848 (Coilia)
- reynaldi Valenciennes, 1847 (Hemiramphus), see Hyporhamphus affinis
- reynoldsi Pietsch & Kuiter, 1984 (Echinophryne)
- reynoldsi Myers & Weitzman, 1960 (Corydoras)
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Markku Savela