Potamorrhaphis
Potamorrhaphis is a genus of freshwater needlefishes native to South America.
Species
Four recognized species are in this genus:- Potamorrhaphis eigenmanni Alípio [de Miranda-Ribeiro|A. Miranda-Ribeiro], 1915
- Potamorrhaphis guianensis
- Potamorrhaphis labiatus Vivianne [Bernardo de Sant'Anna|Sant'Anna], Maria [Laura de Souza Delapieve|Delapieve] & Roberto [Esser dos Reis|R. E. dos Reis], 2012
- Potamorrhaphis petersi Bruce [Baden Collette|Collette], 1974