Rod Roa
- Roa australis Kuiter, 2004
- Roa excelsa (Jordan, 1921)
- Roa jayakari (Norman, 1939)
Actinopterygii > Perciformes > Chaetodontidae
Rod Robia
- Robia legula Pietsch, 1979
Actinopterygii > Lophiiformes > Caulophrynidae
Rod Robinsia
- Robinsia catherinae Böhlke & Smith, 1967
Actinopterygii > Anguilliformes > Chlopsidae
Rod Robinsichthys
- Robinsichthys arrowsmithensis Birdsong, 1988
Actinopterygii > Perciformes > Gobiidae
Rod Rocio
- Rocio gemmata Contreras-Balderas & Schmitter-Soto, 2007
- Rocio ocotal Schmitter-Soto, 2007
- Rocio octofasciata (Regan, 1903)
Actinopterygii > Perciformes > Cichlidae
Rod Roeboexodon 2 vrste
- Roeboexodon geryi Myers, 1960
- Roeboexodon guyanensis (Puyo, 1948)
Actinopterygii > Characiformes > Characidae
-
Roeboexodon guyanensis
Rod Roeboides
- Roeboides affinis (Günther, 1868)
- Roeboides araguaito Lucena, 2003
- Roeboides biserialis (Garman, 1890)
- Roeboides bouchellei Fowler, 1923
- Roeboides bussingi Matamoros, Chakrabarty, Angulo, Garita-Alvarado & McMahan, 2013
- Roeboides carti Lucena, 2000
- Roeboides dayi (Steindachner, 1878)
- Roeboides descalvadensis Fowler, 1932
- Roeboides dientonito Schultz, 1944
- Roeboides dispar Lucena, 2001
- Roeboides guatemalensis (Günther, 1864)
- Roeboides ilseae Bussing, 1986
- Roeboides loftini Lucena, 2011
- Roeboides margareteae Lucena, 2003
- Roeboides microlepis (Reinhardt, 1851)
- Roeboides myersii Gill, 1870
- Roeboides numerosus Lucena, 2000
- Roeboides occidentalis Meek & Hildebrand, 1916
- Roeboides oligistos Lucena, 2000
- Roeboides prognathus (Boulenger, 1895)
- Roeboides sazimai Lucena, 2007
- Roeboides xenodon (Reinhardt, 1851)
Actinopterygii > Characiformes > Characidae
Rod Roestes 3 vrste
- Roestes itupiranga Menezes & Lucena, 1998
- Roestes molossus (Kner, 1858)
- Roestes ogilviei (Fowler, 1914
Actinopterygii → Characiformes → Cynodontidae
Rogadius Jordan & Richardson, 1908
- Rogadius asper (Cuvier, 1829)
- Rogadius fehlmanni Knapp, 2012
- Rogadius mcgroutheri Imamura, 2007
- Rogadius patriciae Knapp, 1987
- Rogadius pristiger (Cuvier, 1829)
- Rogadius serratus (Cuvier, 1829)
- Rogadius welanderi (Schultz, 1966)
Pisces → Actinopterygii → Scorpaeniformes → Platycephalidae
Rod Rohtee Sykes, 1839
- Rohtee ogilbii Sykes, 1839
Pisces → Actinopterygii → Cypriniformes → Cyprinidae
Rod Rohteichthys Bleeker, 1860
- Rohteichthys microlepis (Bleeker, 1850)
Pisces → Actinopterygii → Cypriniformes → Cyprinidae
Rod Romanichthys
- Romanichthys valsanicola Dumitrescu, B?n?rescu & Stoica, 1957
Actinopterygii > Perciformes > Percidae
Rod Romanogobio Banarescu, 1961
- Romanogobio albipinnatus (Lukasch, 1933)
- Romanogobio amplexilabris (Bănărescu & Nalbant, 1973)
- Romanogobio antipai (Bănărescu, 1953)
- Romanogobio banaticus (Bănărescu, 1960)
- Romanogobio belingi (Slastenenko, 1934)
- Romanogobio benacensis (Pollini, 1816)
- Romanogobio ciscaucasicus (Berg, 1932)
- Romanogobio elimeius (Kattoulas, Stephanidis & Economidis, 1973)
- Romanogobio johntreadwelli (Bănărescu & Nalbant, 1973)
- Romanogobio kesslerii (Dybowski, 1862)
- Romanogobio macropterus (Kamensky, 1901)
- Romanogobio parvus Naseka & Freyhof, 2004
- Romanogobio pentatrichus Naseka & Bogutskaya, 1998
- Romanogobio persus (Günther, 1899)
- Romanogobio tanaiticus Naseka, 2001
- Romanogobio tenuicorpus (Mori, 1934)
- Romanogobio uranoscopus (Agassiz, 1828)
- Romanogobio vladykovi (Fang, 1943)
Pisces → Actinopterygii → Cypriniformes → Cyprinidae
-
Romanogobio elimeius
-
Romanogobio kesslerii
-
Romanogobio uranoscopus
Rod Roncador
- Roncador stearnsii (Steindachner, 1876)
Actinopterygii → Perciformes → Sciaenidae
Rod Rondeletia
- Rondeletia bicolor Goode & Bean, 1895
- Rondeletia loricata Abe & Hotta, 1963
Actinopterygii → Cetomimiformes → Rondeletiidae
-
Rondeletia bicolor
Porodica Rondeletiidae 2 vrste
- Rondeletia bicolor Goode & Bean, 1895
- Rondeletia loricata Abe & Hotta, 1963
Actinopterygii → Cetomimiformes
Rod Ronquilus
- Ronquilus jordani (Gilbert, 1889) slika
Actinopterygii > Perciformes > Bathymasteridae
Rod Rosenblattia
- Rosenblattia robusta Mead & De Falla, 1965
Actinopterygii > Perciformes > Epigonidae
Rod Rosenblattichthys
- Rosenblattichthys alatus (Fourmanoir, 1970)
- Rosenblattichthys hubbsi Johnson, 1974
- Rosenblattichthys nemotoi Okiyama & Johnson, 1986
- Rosenblattichthys volucris (Rofen, 1966)
Actinopterygii → Aulopiformes → Scopelarchidae
Rod Rostrogobio
- Rostrogobio liaohensis Qin, 1987
Actinopterygii > Cypriniformes > Cyprinidae
Rod Rostroraja
- Rostroraja alba (Lacepède, 1803)
Elasmobranchii → Rajiformes → Rajidae
-
Rostroraja alba
-
Rostroraja alba
Rod Rotuma
- Rotuma lewisi Springer, 1988
Actinopterygii > Perciformes > Xenisthmidae
Rod Rouleina
- Rouleina attrita (Vaillant, 1888)
- Rouleina danae Parr, 1951
- Rouleina eucla Whitley, 1940
- Rouleina euryops Sazonov, 1999
- Rouleina guentheri (Alcock, 1892)
- Rouleina livida (Brauer, 1906)
- Rouleina maderensis Maul, 1948
- Rouleina nuda (Brauer, 1906)
- Rouleina squamilatera (Alcock, 1898)
- Rouleina watasei (Tanaka, 1909)
Actinopterygii > Osmeriformes > Alepocephalidae