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Potamarius
Potamarius is a genus of sea catfishes that occur in Central and South America. The members of this genus are almost exclusively inhabit fresh water though P. grandoculis can be found in brackish water.
3 branches of this genus, most-observed first · about 3 known species

Lacandon Sea Catfish
speciesPotamarius nelsoni

Usumacinta Sea Catfish
speciesPotamarius usumacintae
Potamarius izabalensis
speciesPotamarius izabalensis
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Potamarius in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 91268.