Potamarius nelsoni (Evermann & Goldsborough, 1902)
Lacandon sea catfish
Potamarius nelsoni
photo by Granados-Dieseldorff, P. & M. Christensen

Family:  Ariidae (Sea catfishes), subfamily: Ariinae
Max. size:  39 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Central America: Usumacinta River basin in Mexico.
Diagnosis:   
Biology:  Males carry the eggs in their mouth (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 06 September 2018 Ref. (130435)
Threat to humans:  traumatogenic


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