Honduras
Checklist of Endemic Freshwater Fish Species
This list of freshwater fish species found exclusively in Honduras is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
Additional undescribed Honduran endemic freshwater fishes can be found in a 2009 (Zootaxa pdf)
Amphilophus hogaboomorum
(Cichliformes Cichlidae) Choluteca Cichlid
Chortiheros wesseli
(Cichliformes Cichlidae) Wessel's Cichlid
Poecilia hondurensis
(Cyprinodontiformes Poeciliidae) Honduran
Molly
Tlaloc portillorum
(Cyprinodontiformes Profundulidae) Ulúan Killifish