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.[1] 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.[2]

Potamarius
Potamarius nelsoni
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Ariidae
Subfamily: Ariinae
Genus: Potamarius
C. L. Hubbs & R. R. Miller, 1960
Type species
Conorhynchos nelsoni
Evermann & Goldsborough 1902
Species

See text for species.

Species

There are currently three described species in this genus:[1][2]

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gollark: The real reason is probably that I interact quite heavily with people who do use gendered pronouns and do not care about not doing so much.
gollark: If you say "he was declared an apioform" that (mostly) rules out about half the possible people you might be referring to.
gollark: Although outside of pure parsing ambiguity it does help distinguish people you're referring to in "real life".
gollark: Yes, sentences where it makes a difference are quite rare and also typically rather confusing anyway.

References
  1. Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Potamarius in FishBase. December 2011 version.
  2. Oliveira, Claudio; Gasparini, João Luiz Rosetti; Lima, Flávio César Thadeo; Ingenito, Leonardo Ferreira Da Silva; Marceniuk, Alexandre Pires (2019-04-18). "Systematics, biogeography and conservation of Paragenidens grandoculis n. gen. and n. comb. (Siluriformes; Ariidae), a critically endangered species from southeastern Brazil". Zootaxa. 4586 (3): 425–444. doi:10.11646/zootaxa.4586.3.2. ISSN 1175-5334.


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