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iNat·91268GenusActinopterygii5 field observations
  1. Animals
  2. ›Chordates
  3. ›Vertebrates
  4. ›Ray-finned Fishes
  5. ›Carps, Characins, Catfishes and Allies
  6. ›Catfishes
  7. ›Siluroidei
  8. ›Sea Catfishes
  9. ›Typical Sea Catfishes
Potamarius
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Potamarius

Potamarius is a genus of sea catfishes. The three species in this genus exclusively inhabit fresh water in southern Mexico and Guatemala. The individual species have relatively small ranges. The highly endangered Paragenidens grandoculis of Brazil was long classified in Potamarius, but a 2019 study has found it to belong in its own genus.

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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

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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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.