| Valid Scientific Fish Names Starting with "R" |
| n = 859 Search FishBase |
| Rabaulichthys altipinnis |
| Rabaulichthys stigmaticus |
| Rabaulichthys suzukii |
| Racenisia fimbriipinna |
| Rachovia brevis |
| Rachovia hummelincki |
| Rachovia maculipinnis |
| Rachovia pyropunctata |
| Rachovia stellifer |
| Rachoviscus crassiceps |
| Rachoviscus graciliceps |
| Rachycentron canadum |
| Racoma eurystoma |
| Raconda russeliana |
| Racovitzia glacialis |
| Racovitzia harrissoni |
| Radiicephalus elongatus |
| Radulinopsis derjavini |
| Radulinopsis taranetzi |
| Radulinus asprellus |
| Radulinus boleoides |
| Radulinus taylori |
| Radulinus vinculus |
| Raiamas ansorgii |
| Raiamas batesii |
| Raiamas bola |
| Raiamas buchholzi |
| Raiamas christyi |
| Raiamas guttatus |
| Raiamas kheeli |
| Raiamas levequei |
| Raiamas longirostris |
| Raiamas macrostoma |
| Raiamas moorii |
| Raiamas nigeriensis |
| Raiamas salmolucius |
| Raiamas scarciensis |
| Raiamas senegalensis |
| Raiamas shariensis |
| Raiamas steindachneri |
| Rainfordia opercularis |
| Raja ackleyi |
| Raja africana |
| Raja asterias |
| Raja bahamensis |
| Raja binoculata |
| Raja brachyura |
| Raja cervigoni |
| Raja chinensis |
| Raja clavata |
| Raja cortezensis |
| Raja eglanteria |
| Raja equatorialis |
| Raja herwigi |
| Raja inornata |
| Raja koreana |
| Raja maderensis |
| Raja microocellata |
| Raja miraletus |
| Raja montagui |
| Raja polystigma |
| Raja pulchra |
| Raja radula |
| Raja rhina |
| Raja rondeleti |
| Raja rouxi |
| Raja stellulata |
| Raja straeleni |
| Raja texana |
| Raja undulata |
| Raja velezi |
| Raja whitleyi |
| Rajella annandalei |
| Rajella barnardi |
| Rajella bathyphila |
| Rajella bigelowi |
| Rajella caudaspinosa |
| Rajella dissimilis |
| Rajella eisenhardti |
| Rajella fuliginea |
| Rajella fyllae |
| Rajella kukujevi |
| Rajella leopardus |
| Rajella nigerrima |
| Rajella purpuriventralis |
| Rajella ravidula |
| Rajella sadowskii |
| Rama chandramara |
| Ramnogaster arcuata |
| Ramnogaster melanostoma |
| Randallichthys filamentosus |
| Raneya brasiliensis |
| Raniceps raninus |
| Ranzania laevis |
| Rasbora agilis |
| Rasbora amplistriga |
| Rasbora aprotaenia |
| Rasbora argyrotaenia |
| Rasbora atridorsalis |
| Rasbora aurotaenia |
| Rasbora baliensis |
| Rasbora bankanensis |
| Rasbora beauforti |
| Rasbora borapetensis |
| Rasbora borneensis |
| Rasbora brittani |
| Rasbora bunguranensis |
| Rasbora caudimaculata |
| Rasbora caverii |
| Rasbora cephalotaenia |
| Rasbora chrysotaenia |
| Rasbora daniconius |
| Rasbora dorsinotata |
| Rasbora dorsiocellata |
| Rasbora dusonensis |
| Rasbora einthovenii |
| Rasbora elegans |
| Rasbora ennealepis |
| Rasbora gerlachi |
| Rasbora gracilis |
| Rasbora hobelmani |
| Rasbora hosii |
| Rasbora hubbsi |
| Rasbora jacobsoni |
| Rasbora johannae |
| Rasbora kalbarensis |
| Rasbora kalochroma |
| Rasbora kottelati |
| Rasbora lateristriata |
| Rasbora laticlavia |
| Rasbora leptosoma |
| Rasbora meinkeni |
| Rasbora myersi |
| Rasbora notura |
| Rasbora ornatus |
| Rasbora pauciperforata |
| Rasbora paucisqualis |
| Rasbora paviana |
| Rasbora philippina |
| Rasbora punctulatus |
| Rasbora rasbora |
| Rasbora reticulata |
| Rasbora rubrodorsalis |
| Rasbora rutteni |
| Rasbora sarawakensis |
| Rasbora semilineata |
| Rasbora septentrionalis |
| Rasbora spilocerca |
| Rasbora spilotaenia |
| Rasbora steineri |
| Rasbora subtilis |
| Rasbora sumatrana |
| Rasbora tawarensis |
| Rasbora taytayensis |
| Rasbora tobana |
| Rasbora tornieri |
| Rasbora trifasciata |
| Rasbora trilineata |
| Rasbora tubbi |
| Rasbora tuberculata |
| Rasbora vaterifloris |
| Rasbora volzii |
| Rasbora vulcanus |
| Rasbora wilpita |
| Rasborichthys helfrichii |
| Rasborinus formosae |
| Rasborinus hautus |
| Rasborinus macrolepis |
| Rastrelliger brachysoma |
| Rastrelliger faughni |
| Rastrelliger kanagurta |
| Rastrineobola argentea |
| Rastrinus scutiger |
| Ratabulus diversidens |
| Ratabulus megacephalus |
| Rathbunella alleni |
| Rathbunella hypoplecta |
| Ratsirakia legendrei |
| Rectoris longifinus |
| Rectoris luxiensis |
| Rectoris mutabilis |
| Rectoris posehensis |
| Redigobius amblyrhynchus |
| Redigobius balteatops |
| Redigobius balteatus |
| Redigobius bikolanus |
| Redigobius chrysosoma |
| Redigobius dewaali |
| Redigobius dispar |
| Redigobius leptochilus |
| Redigobius macrostoma |
| Redigobius penango |
| Redigobius roemeri |
| Redigobius sapangus |
| Redigobius tambujon |
| Regalecus glesne |
| Regalecus kinoi |
| Regalecus russelii |
| Reganella depressa |
| Reganochromis calliurus |
| Reicheltia halsteadi |
| Reinhardtius hippoglossoides |
| Relictus solitarius |
| Remora australis |
| Remora brachyptera |
| Remora osteochir |
| Remora remora |
| Remorina albescens |
| Rendahlia jaubertensis |
| Renova oscari |
| Repomucenus calcaratus |
| Repomucenus huguenini |
| Repomucenus koreanus |
| Repomucenus lunatus |
| Repomucenus macdonaldi |
| Repomucenus olidus |
| Repomucenus ornatipinnis |
| Repomucenus richardsonii |
| Repomucenus virgis |
| Retroculus lapidifer |
| Retroculus septentrionalis |
| Retroculus xinguensis |
| Retropinna retropinna |
| Retropinna semoni |
| Retropinna tasmanica |
| Rexea alisae |
| Rexea antefurcata |
| Rexea bengalensis |
| Rexea brevilineata |
| Rexea nakamurai |
| Rexea prometheoides |
| Rexea solandri |
| Rexichthys johnpaxtoni |
| Rhabdalestes aeratis |
| Rhabdalestes brevidorsalis |
| Rhabdalestes leleupi |
| Rhabdalestes maunensis |
| Rhabdalestes rhodesiensis |
| Rhabdalestes septentrionalis |
| Rhabdalestes tangensis |
| Rhabdamia clupeiformis |
| Rhabdamia cypselura |
| Rhabdamia gracilis |
| Rhabdamia mentalis |
| Rhabdamia nigrimentum |
| Rhabdamia nuda |
| Rhabdamia spilota |
| Rhabdoblennius ellipes |
| Rhabdoblennius rhabdotrachelus |
| Rhabdoblennius snowi |
| Rhabdolichops caviceps |
| Rhabdolichops eastwardi |
| Rhabdolichops electrogrammus |
| Rhabdolichops jegui |
| Rhabdolichops lundbergi |
| Rhabdolichops navalha |
| Rhabdolichops nigrimans |
| Rhabdolichops stewarti |
| Rhabdolichops troscheli |
| Rhabdolichops zareti |
| Rhabdosargus globiceps |
| Rhabdosargus haffara |
| Rhabdosargus holubi |
| Rhabdosargus sarba |
| Rhabdosargus thorpei |
| Rhacochilus toxotes |
| Rhacochilus vacca |
| Rhadinesthes decimus |
| Rhadinocentrus ornatus |
| Rhadinoloricaria macromystax |
| Rhamdella aymarae |
| Rhamdella eriarcha |
| Rhamdella exsudans |
| Rhamdella gilli |
| Rhamdella ignobilis |
| Rhamdella jenynsii |
| Rhamdella leptosoma |
| Rhamdella longipinnis |
| Rhamdella longiuscula |
| Rhamdella montana |
| Rhamdella papariae |
| Rhamdella robinsoni |
| Rhamdella rusbyi |
| Rhamdella wolfi |
| Rhamdia argentina |
| Rhamdia bathyura |
| Rhamdia dorsalis |
| Rhamdia duquei |
| Rhamdia enfurnada |
| Rhamdia foina |
| Rhamdia guasarensis |
| Rhamdia guatemalensis |
| Rhamdia humilis |
| Rhamdia itacaiunas |
| Rhamdia jequitinhonha |
| Rhamdia laluchensis |
| Rhamdia laticauda |
| Rhamdia laukidi |
| Rhamdia macuspanensis |
| Rhamdia marthae |
| Rhamdia muelleri |
| Rhamdia nicaraguensis |
| Rhamdia ortoni |
| Rhamdia parryi |
| Rhamdia poeyi |
| Rhamdia quelen |
| Rhamdia reddelli |
| Rhamdia sapo |
| Rhamdia schomburgkii |
| Rhamdia typhla |
| Rhamdia velifer |
| Rhamdia xetequepeque |
| Rhamdia zongolicensis |
| Rhamdioglanis frenatus |
| Rhamdioglanis transfasciatus |
| Rhamdiopsis microcephala |
| Rhamdiopsis moreirai |
| Rhamphichthys apurensis |
| Rhamphichthys atlanticus |
| Rhamphichthys drepanium |
| Rhamphichthys hahni |
| Rhamphichthys lineatus |
| Rhamphichthys longior |
| Rhamphichthys marmoratus |
| Rhamphichthys pantherinus |
| Rhamphichthys rostratus |
| Rhamphichthys schomburgki |
| Rhamphocetichthys savagei |
| Rhamphochromis brevis |
| Rhamphochromis esox |
| Rhamphochromis ferox |
| Rhamphochromis leptosoma |
| Rhamphochromis longiceps |
| Rhamphochromis lucius |
| Rhamphochromis macrophthalmus |
| Rhamphochromis woodi |
| Rhamphocottus richardsonii |
| Rhaphiodon vulpinus |
| Rhechias bertini |
| Rheocles alaotrensis |
| Rheocles derhami |
| Rheocles lateralis |
| Rheocles pellegrini |
| Rheocles sikorae |
| Rheocles vatosoa |
| Rheocles wrightae |
| Rhina ancylostoma |
| Rhincodon typus |
| Rhinecanthus abyssus |
| Rhinecanthus aculeatus |
| Rhinecanthus assasi |
| Rhinecanthus cinereus |
| Rhinecanthus lunula |
| Rhinecanthus rectangulus |
| Rhinecanthus verrucosus |
| Rhinelepis aspera |
| Rhinelepis strigosa |
| Rhinichthys atratulus |
| Rhinichthys cataractae |
| Rhinichthys chrysogaster |
| Rhinichthys cobitis |
| Rhinichthys deaconi |
| Rhinichthys evermanni |
| Rhinichthys falcatus |
| Rhinichthys obtusus |
| Rhinichthys osculus |
| Rhinichthys umatilla |
| Rhinobatos albomaculatus |
| Rhinobatos annandalei |
| Rhinobatos annulatus |
| Rhinobatos blochii |
| Rhinobatos cemiculus |
| Rhinobatos formosensis |
| Rhinobatos glaucostigma |
| Rhinobatos holcorhynchus |
| Rhinobatos horkelii |
| Rhinobatos hynnicephalus |
| Rhinobatos irvinei |
| Rhinobatos lentiginosus |
| Rhinobatos leucorhynchus |
| Rhinobatos leucospilus |
| Rhinobatos lionotus |
| Rhinobatos microphthalmus |
| Rhinobatos nudidorsalis |
| Rhinobatos obtusus |
| Rhinobatos ocellatus |
| Rhinobatos percellens |
| Rhinobatos petiti |
| Rhinobatos planiceps |
| Rhinobatos prahli |
| Rhinobatos productus |
| Rhinobatos punctifer |
| Rhinobatos rhinobatos |
| Rhinobatos sainsburyi |
| Rhinobatos salalah |
| Rhinobatos schlegelii |
| Rhinobatos spinosus |
| Rhinobatos thouin |
| Rhinobatos thouiniana |
| Rhinobatos variegatus |
| Rhinobatos zanzibarensis |
| Rhinobrycon negrensis |
| Rhinochimaera africana |
| Rhinochimaera atlantica |
| Rhinochimaera pacifica |
| Rhinodoras boehlkei |
| Rhinodoras dorbignyi |
| Rhinodoras thomersoni |
| Rhinogobio cylindricus |
| Rhinogobio hunanensis |
| Rhinogobio nasutus |
| Rhinogobio typus |
| Rhinogobio ventralis |
| Rhinogobiops nicholsii |
| Rhinogobius albimaculatus |
| Rhinogobius boa |
| Rhinogobius brunneus |
| Rhinogobius bucculentus |
| Rhinogobius candidianus |
| Rhinogobius carpenteri |
| Rhinogobius changjiangensis |
| Rhinogobius changtinensis |
| Rhinogobius chiengmaiensis |
| Rhinogobius cliffordpopei |
| Rhinogobius davidi |
| Rhinogobius delicatus |
| Rhinogobius duospilus |
| Rhinogobius flavoventris |
| Rhinogobius flumineus |
| Rhinogobius genanematus |
| Rhinogobius gigas |
| Rhinogobius giurinus |
| Rhinogobius henchuenensis |
| Rhinogobius honghensis |
| Rhinogobius lanyuensis |
| Rhinogobius leavelli |
| Rhinogobius lentiginis |
| Rhinogobius lindbergi |
| Rhinogobius lineatus |
| Rhinogobius linshuiensis |
| Rhinogobius lungwoensis |
| Rhinogobius maculafasciatus |
| Rhinogobius maculicervix |
| Rhinogobius mekongianus |
| Rhinogobius milleri |
| Rhinogobius multimaculatus |
| Rhinogobius nagoyae formosanus |
| Rhinogobius nagoyae nagoyae |
| Rhinogobius nammaensis |
| Rhinogobius nandujiangensis |
| Rhinogobius nantaiensis |
| Rhinogobius ponkouensis |
| Rhinogobius rubromaculatus |
| Rhinogobius similis |
| Rhinogobius sulcatus |
| Rhinogobius taenigena |
| Rhinogobius variolatus |
| Rhinogobius vermiculatus |
| Rhinogobius virgigena |
| Rhinogobius wangchuangensis |
| Rhinogobius wangi |
| Rhinogobius xianshuiensis |
| Rhinogobius yaoshanensis |
| Rhinoliparis attenuatus |
| Rhinoliparis barbulifer |
| Rhinomugil corsula |
| Rhinomugil nasutus |
| Rhinomuraena quaesita |
| Rhinopetitia myersi |
| Rhinophichthus penicillatus |
| Rhinopias aphanes |
| Rhinopias argoliba |
| Rhinopias cea |
| Rhinopias eschmeyeri |
| Rhinopias filamentosus |
| Rhinopias frondosa |
| Rhinopias godfreyi |
| Rhinopias xenops |
| Rhinoprenes pentanemus |
| Rhinoptera adspersa |
| Rhinoptera bonasus |
| Rhinoptera brasiliensis |
| Rhinoptera javanica |
| Rhinoptera jayakari |
| Rhinoptera marginata |
| Rhinoptera neglecta |
| Rhinoptera steindachneri |
| Rhinoraja kujiensis |
| Rhinoraja longi |
| Rhinoraja longicauda |
| Rhinoraja obtusa |
| Rhinoraja odai |
| Rhinoraja taranetzi |
| Rhinosardinia amazonica |
| Rhinosardinia bahiensis |
| Rhinosolea microlepidota |
| Rhizoprionodon acutus |
| Rhizoprionodon lalandii |
| Rhizoprionodon longurio |
| Rhizoprionodon oligolinx |
| Rhizoprionodon porosus |
| Rhizoprionodon taylori |
| Rhizoprionodon terraenovae |
| Rhizosomichthys totae |
| Rhoadsia altipinna |
| Rhoadsia minor |
| Rhodeus amarus |
| Rhodeus amurensis |
| Rhodeus atremius |
| Rhodeus colchicus |
| Rhodeus fangi |
| Rhodeus haradai |
| Rhodeus laoensis |
| Rhodeus lighti |
| Rhodeus ocellatus |
| Rhodeus pseudosericeus |
| Rhodeus rheinardti |
| Rhodeus sciosemus |
| Rhodeus sericeus |
| Rhodeus sinensis |
| Rhodeus smithii |
| Rhodeus spinalis |
| Rhodeus suigensis |
| Rhodeus uyekii |
| Rhodichthys regina |
| Rhodymenichthys dolichogaster |
| Rhomboplites aurorubens |
| Rhombosolea leporina |
| Rhombosolea plebeia |
| Rhombosolea retiaria |
| Rhombosolea tapirina |
| Rhyacichthys aspro |
| Rhyacichthys guilberti |
| Rhycherus filamentosus |
| Rhycherus gloveri |
| Rhynchactis leptonema |
| Rhynchactis macrothrix |