Potamorrhaphis is a genus of freshwater needlefishes native to South America.
^Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Potamorrhaphis". Catalog of Fishes. California Academy of Sciences. Retrieved 30 July 2019.
Potamorrhaphis is a genus of freshwater needlefishes native to South America. Four recognized species are in this genus: Potamorrhaphis eigenmanni A....
are confined to freshwater rivers and streams, including Belonion, Potamorrhaphis, and Xenentodon. Needlefish closely resemble North American freshwater...
like I. geisleri and I. adujai. One known instance of sympatry is with Potamorrhaphis guianensis, the freshwater needlefish. There is little knowledge of...
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