Todos los Peces

Five-rayed gudgeon

Romanogobio pentatrichus

Not Evaluated freshwater

Small Kuban gudgeon

Romanogobio parvus

Not Evaluated freshwater

South caucasian gudgeon

Romanogobio macropterus

Not Evaluated freshwater

Winged pearleye

Rosenblattichthys alatus

Not Evaluated saltwater

赫恩氏宝丽鱼

Rondonacara hoehnei

Not Evaluated freshwater

African jewelfish

Rubricatochromis letourneuxi

Not Evaluated brackish

Jewel cichlid

Rubricatochromis guttatus

Not Evaluated brackish

Sekitori-iwashi

Rouleina watasei

Not Evaluated saltwater

Longfinned triplefin

Ruanoho decemdigitatus

Not Evaluated saltwater

Bordello slickhead

Rouleina guentheri

Not Evaluated saltwater

Ecuatorial ray

Rostroraja equatorialis

Not Evaluated saltwater

Madeiran slickhead

Rouleina maderensis

Not Evaluated saltwater

Rasptail ray

Rostroraja velezi

Not Evaluated saltwater

Rouleina euryops

Not Evaluated saltwater

Roundel skate

Rostroraja texana

Not Evaluated saltwater

Rubicundus lopheliae

Not Evaluated saltwater

Rubicundus rubicundus

Not Evaluated saltwater

Turkana jewel cichlid

Rubricatochromis exsul

Not Evaluated freshwater

塔斯曼海黏盲鰻

Rubicundus eos

Not Evaluated saltwater

大眼路岛峡塘鳢

Rotuma lewisi

Not Evaluated saltwater

Slope soapfish

Rypticus carpenteri

Not Evaluated saltwater

Freckled soapfish

Rypticus bistrispinus

Not Evaluated saltwater

Largespotted soapfish

Rypticus bornoi

Not Evaluated saltwater

Lifalilis Buntbarsch

Rubricatochromis lifalili

Not Evaluated freshwater

Black Sea roach

Rutilus meidingeri

Not Evaluated freshwater

Caspian roach

Rutilus caspicus

Not Evaluated brackish

Plain soapfish

Rypticus randalli

Not Evaluated saltwater

Roach

Rutilus rutilus

Not Evaluated brackish

Roughcheek sculpin

Ruscarius creaseri

Not Evaluated saltwater

Rubricatochromis paynei

Not Evaluated brackish

Rusichthys explicitus

Not Evaluated saltwater

Rutilus heckelii

Not Evaluated brackish

Rutilus kutum

Not Evaluated freshwater

Rutilus stoumboudae

Not Evaluated freshwater

Soapfish

Rypticus subbifrenatus

Not Evaluated saltwater

Socorran soapfish

Rypticus courtenayi

Not Evaluated saltwater