| Rivulus adrianae IRF | Rivulus | 2 | Suriname HIGH |
| Rivulus aff. brunneus img IMG IRF FB IUCN - DD | Rivulus | 2 | Panama HIGH |
| Rivulus aff. geayi img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil LOW |
| Rivulus aff. holmiae img IMG IRF FB IUCN - NE | Rivulus | 2 | Guyana HIGH |
| Rivulus aff. lungi img IMG IRF FB IUCN - LC | Rivulus | 2 | Suriname HIGH |
| Rivulus aff. ornatus img IMG IRF FB IUCN - LC | Rivulus | 2 | Peru HIGH |
| Rivulus aff. stagnatus IRF FB IUCN - NE | Rivulus | 2 | Guyana HIGH, Suriname HIGH |
| Rivulus aff. tessellatus IRF FB IUCN - DD | Rivulus | 2 | Brazil LOW |
| Rivulus agilae img IMG IRF FB IUCN - LC | Rivulus | 2 | Guyana HIGH, Suriname HIGH |
| Rivulus aithogrammus IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus altivelis IRF FB IUCN - DD | Rivulus | 2 | Colombia HIGH |
| Rivulus amambaiensis IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus amanan IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus amanapira IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus amphoreus img IMG IRF FB IUCN - LC | Rivulus | 2 | Suriname HIGH |
| Rivulus anitae IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus apiamici img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus atlanticus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus atratus IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Colombia HIGH, Peru HIGH |
| Rivulus azurescens IRF FB IUCN - NE | Rivulus | 2 | Colombia HIGH |
| Rivulus bahianus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus beniensis beniensis img IMG IRF FB IUCN - LC | Rivulus | 2 | Bolivia HIGH, Brazil HIGH, Peru HIGH |
| Rivulus beniensis lacustris IRF FB IUCN - LC | Rivulus | 2 | Bolivia HIGH |
| Rivulus berovidesi IRF FB IUCN - EN | Rivulus | 2 | Cuba HIGH |
| Rivulus bibosi IRF FB IUCN - NE | Rivulus | 2 | Bolivia HIGH |
| Rivulus birkhahni img IMG IRF FB IUCN - EN | Rivulus | 2 | Panama HIGH |
| Rivulus boehlkei IRF FB IUCN - DD | Rivulus | 2 | Colombia HIGH |
| Rivulus bolivianus img IMG IRF | Rivulus | 2 | Bolivia HIGH |
| Rivulus bondi = hartii img IMG IRF FB IUCN - NE | Rivulus | 2 | Brazil LOW |
| Rivulus bororo IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus breviceps img IMG IRF FB IUCN - NE | Rivulus | 2 | Brazil LOW |
| Rivulus britzkei IRF IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus brunneus img IMG IRF FB IUCN - DD | Rivulus | 2 | Panama HIGH |
| Rivulus cajariensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus canesi IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus carolinae IRF FB IUCN - NE | Rivulus | 2 | Colombia HIGH |
| Rivulus caurae IRF FB IUCN - DD | Rivulus | 2 | Venezuela HIGH |
| Rivulus cearensis IRF FB IUCN - CR | Rivulus | 2 | Brazil HIGH |
| Rivulus cf. birkhahni img IMG IRF FB IUCN - EN | Rivulus | 2 | Panama HIGH |
| Rivulus cf. limoncochae img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil LOW |
| Rivulus cf. monikae img IMG WAK IRF FB IUCN - DD | Rivulus | 2 | Brazil LOW |
| Rivulus cf. ornatus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus cf. sladkowskii IRF | Rivulus | 2 | Brazil LOW |
| Rivulus cf. tessellatus IRF FB IUCN - DD | Rivulus | 2 | Brazil LOW |
| Rivulus chapare IRF FB IUCN - NE | Rivulus | 2 | Bolivia HIGH |
| Rivulus christinae IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Peru HIGH |
| Rivulus chucunaque img IMG IRF FB IUCN - LC | Rivulus | 2 | Panama HIGH |
| Rivulus cladophorus img IMG IRF FB IUCN - LC | Rivulus | 2 | Guyana HIGH |
| Rivulus collieri IRF | Rivulus | 2 | Peru HIGH |
| Rivulus corpulentus IRF FB IUCN - LC | Rivulus | 2 | Colombia HIGH |
| Rivulus crixas IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus cryptocallus img IMG IRF FB IUCN - EN | Rivulus | 2 | Brazil LOW |
| Rivulus cyanopterus img IMG IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus cylindraceus img IMG IRF FB IUCN - LC | Rivulus | 2 | Cuba HIGH |
| Rivulus dapazi IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH, Mexico HIGH |
| Rivulus decoratus IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus degreefi IRF | Rivulus | 2 | Guatemala HIGH |
| Rivulus deltaphilus IRF FB IUCN - LC | Rivulus | 2 | Guyana HIGH, Venezuela HIGH |
| Rivulus depressus IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus derhami img IMG IRF FB IUCN - NT | Rivulus | 2 | Peru HIGH |
| Rivulus dibaphus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus egens IRF FB IUCN - CR | Rivulus | 2 | Brazil HIGH |
| Rivulus elegans img IMG IRF FB IUCN - DD | Rivulus | 2 | Colombia HIGH |
| Rivulus elongatus img IMG IRF FB IUCN - NT | Rivulus | 2 | Brazil HIGH, Peru HIGH |
| Rivulus enigmaticus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus erberi img IMG IRF FB IUCN - LC | Rivulus | 2 | Ecuador HIGH |
| Rivulus falconi IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus faucireticulatus IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus flammaecauda IRF FB IUCN - NE | Rivulus | 2 | Colombia HIGH |
| Rivulus flavipinnis IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus foliiscola IRF | Rivulus | 2 | Colombia HIGH |
| Rivulus formosensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus fransvermeuleni IRF FB IUCN - NE | Rivulus | 2 | Suriname HIGH |
| Rivulus frenatus img IMG IRF FB IUCN - NE | Rivulus | 2 | Guyana HIGH, Suriname HIGH |
| Rivulus frommi img IMG IRF FB IUCN - DD | Rivulus | 2 | Panama HIGH |
| Rivulus fuscolineatus img IMG IRF FB IUCN - EN | Rivulus | 2 | Costa Rica HIGH, Guatemala HIGH |
| Rivulus gamae IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus gaucheri IRF FB IUCN - LC | Rivulus | 2 | Guyana HIGH |
| Rivulus geayi img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Guyana HIGH, Suriname HIGH |
| Rivulus giarettai IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus gili IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus glaucus img IMG IRF FB IUCN - EN | Rivulus | 2 | Costa Rica HIGH |
| Rivulus godmani IRF FB IUCN - NE | Rivulus | 2 | Guatemala HIGH, Mexico HIGH |
| Rivulus gomesi IRF | Rivulus | 2 | Colombia HIGH |
| Rivulus gransabanae img IMG IRF FB IUCN - VU | Rivulus | 2 | Venezuela HIGH |
| Rivulus guanabarensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus haraldsiolii IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Bolivia HIGH |
| Rivulus hartii img IMG IRF FB IUCN - LC | Rivulus | 2 | Venezuela HIGH, Trinidad and Tobago HIGH |
| Rivulus hendrichsi = tenuis img IMG IRF FB IUCN - NE | Rivulus | 2 | Brazil LOW |
| Rivulus henschelae IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus hildebrandi img IMG IRF FB IUCN - DD | Rivulus | 2 | Costa Rica HIGH, Panama HIGH |
| Rivulus hoetmeri IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus holmiae img IMG IRF FB IUCN - NE | Rivulus | 2 | Suriname HIGH, Venezuela HIGH, Guyana HIGH |
| Rivulus ignescens IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus igneus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Guyana HIGH |
| Rivulus illuminatus img IMG IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus immaculatus img IMG IRF FB IUCN - NT | Rivulus | 2 | Venezuela HIGH, Guyana HIGH |
| Rivulus imperatrizensis IRF FB IUCN - CR | Rivulus | 2 | Brazil HIGH |
| Rivulus insulaepinorum = cylindraceus img IMG IRF FB IUCN - NE | Rivulus | 2 | Brazil LOW |
| Rivulus intermittens img IMG IRF FB IUCN - NT | Rivulus | 2 | Ecuador HIGH, Peru HIGH |
| Rivulus interruptus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus iridescens img IMG IRF FB IUCN - LC | Rivulus | 2 | Ecuador HIGH, Peru HIGH |
| Rivulus isthmensis img IMG IRF FB IUCN - LC | Rivulus | 2 | Costa Rica HIGH, Nicaragua HIGH |
| Rivulus ivinhemensis IRF FB IUCN - EN | Rivulus | 2 | Brazil HIGH |
| Rivulus jalapensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus janeiroensis img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus jari IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus jauaperi IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus javahe IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus jucundus IRF FB IUCN - LC | Rivulus | 2 | Ecuador HIGH |
| Rivulus jurubatibensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus karaja IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus katukina IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus kayabi IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus kayapo IRF FB IUCN - VU | Rivulus | 2 | Brazil LOW |
| Rivulus kirovskyi img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus kuelpmanni img IMG IRF FB IUCN - CR | Rivulus | 2 | Panama HIGH |
| Rivulus kunzei IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus lanceolatus IRF FB IUCN - NE | Rivulus | 2 | Suriname HIGH, Venezuela HIGH |
| Rivulus larissae IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus lazzarotoi img IMG IRF FB IUCN - CR | Rivulus | 2 | Brazil HIGH |
| Rivulus leali IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus leticia img IMG IRF FB IUCN - NE | Rivulus | 2 | Colombia HIGH |
| Rivulus leucurus IRF FB IUCN - DD | Rivulus | 2 | Colombia HIGH |
| Rivulus leulingi IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus limoncochae img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Colombia HIGH, Ecuador HIGH |
| Rivulus linearis IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus lineasoppilatae IRF FB IUCN - VU | Rivulus | 2 | Peru HIGH |
| Rivulus litteratus IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus luitalimae IRF FB IUCN - EN | Rivulus | 2 | Brazil HIGH |
| Rivulus lungi img IMG IRF FB IUCN - LC | Rivulus | 2 | Guatemala HIGH, Suriname HIGH |
| Rivulus lyricauda img IMG IRF FB IUCN - NT | Rivulus | 2 | Venezuela HIGH |
| Rivulus mabura IRF FB IUCN - DD | Rivulus | 2 | Guyana HIGH |
| Rivulus magdalenae img IMG IRF FB IUCN - LC | Rivulus | 2 | Colombia HIGH |
| Rivulus mahdiaensis img IMG IRF FB IUCN - NE | Rivulus | 2 | Guyana HIGH |
| Rivulus manaensis IRF | Rivulus | 2 | Brazil LOW |
| Rivulus maricensis IRF FB IUCN - CR | Rivulus | 2 | Brazil HIGH |
| Rivulus mazaruni img IMG IRF FB IUCN - NE | Rivulus | 2 | Guyana HIGH |
| Rivulus megaroni IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus mejiai IRF | Rivulus | 2 | Colombia HIGH, Mexico HIGH |
| Rivulus melanopterus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus micropus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus milesi = magdalenae img IMG IRF | Rivulus | 2 | Brazil LOW |
| Rivulus modestus img IMG WAK IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus monikae img IMG WAK IRF FB IUCN - DD | Rivulus | 2 | Panama HIGH |
| Rivulus monticola img IMG IRF FB IUCN - DD | Rivulus | 2 | Ecuador HIGH |
| Rivulus montium img IMG IRF FB IUCN - EN | Rivulus | 2 | Panama HIGH |
| Rivulus myersi WAK IRF FB IUCN - NE | Rivulus | 2 | Mexico HIGH |
| Rivulus nelsoni IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus nicoi IRF FB IUCN - NT | Rivulus | 2 | Venezuela HIGH |
| Rivulus nigromarginatus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus nigropunctatus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus nudiventris IRF FB IUCN - CR | Rivulus | 2 | Brazil HIGH |
| Rivulus obscurus = ornatus img IMG IRF | Rivulus | 2 | Brazil LOW |
| Rivulus ofaie IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus ophiomimus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Peru HIGH |
| Rivulus origuelai IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus ornatus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Colombia HIGH |
| Rivulus ottonii IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus pacificus IRF FB IUCN - DD | Rivulus | 2 | Colombia HIGH |
| Rivulus paracatuensis IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus paradiseus IRF | Rivulus | 2 | Colombia HIGH |
| Rivulus paranaguensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus paresi IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus parlettei IRF FB IUCN - VU | Rivulus | 2 | Peru HIGH |
| Rivulus parnaibensis IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus paryagi img IMG IRF FB IUCN - DD | Rivulus | 2 | Guyana HIGH |
| Rivulus peruanus img IMG IRF FB IUCN - DD | Rivulus | 2 | Peru HIGH |
| Rivulus peruibensis IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus petrisecundi IRF IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus pictus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus pindorama IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus pinima IRF FB IUCN - EN | Rivulus | 2 | Brazil HIGH, Colombia HIGH |
| Rivulus pivijay IRF FB IUCN - NE | Rivulus | 2 | Colombia HIGH |
| Rivulus planaltinus IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus poeyi = urophthalmus img IMG IRF | Rivulus | 2 | Brazil LOW |
| Rivulus polychromus IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus proximus IRF FB IUCN - NE | Rivulus | 2 | Brazil HIGH |
| Rivulus punctatus img IMG IRF FB IUCN - LC | Rivulus | 2 | Argentina HIGH, Bolivia HIGH, Brazil HIGH, Paraguay HIGH |
| Rivulus rectocaudatus img IMG IRF FB IUCN - DD | Rivulus | 2 | Peru HIGH |
| Rivulus regularis IRF | Rivulus | 2 | Brazil HIGH |
| Rivulus ribeirensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus ribesrubrum IRF FB IUCN - NE | Rivulus | 2 | Colombia HIGH |
| Rivulus riograndensis IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus roloffi img IMG IRF FB IUCN - NT | Rivulus | 2 | Brazil LOW |
| Rivulus romeri IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus roraima IRF FB IUCN - EN | Rivulus | 2 | Brazil HIGH |
| Rivulus rossoi IRF FB IUCN - DD | Rivulus | 2 | Brazil HIGH |
| Rivulus rubripunctatus img IMG IRF FB IUCN - EN | Rivulus | 2 | Costa Rica HIGH, Panama HIGH |
| Rivulus rubrolineatus img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH, Colombia HIGH, Peru HIGH |
| Rivulus rubromarginatus IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus rubroreticulatus IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus rutilicaudus IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus salmonicaudus IRF FB IUCN - VU | Rivulus | 2 | Brazil HIGH |
| Rivulus santensis img IMG IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus sape IRF FB IUCN - NT | Rivulus | 2 | Venezuela HIGH |
| Rivulus scalaris img IMG IRF FB IUCN - EN | Rivulus | 2 | Brazil HIGH, Costa Rica HIGH |
| Rivulus schuncki IRF FB IUCN - LC | Rivulus | 2 | Brazil HIGH |
| Rivulus simplicis img IMG IRF FB IUCN - EN | Rivulus | 2 | Brazil HIGH |
| Rivulus sladkowskii IRF | Rivulus | 2 | Colombia HIGH |