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Pterolebias zonatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cyprinodontiformes
Family:	Rivulidae
Genus:	Pterolebias
Species:	P. zonatus
Binomial name
Pterolebias zonatus G. S. Myers, 1935
Synonyms
Gnatholebias zonatus (Myers, 1935)

Pterolebias zonatus is a species of fish in the family Aplocheilidae endemic to the Orinoco River basin in Venezuela where it is found in open waters exposed to sunlight. This species grows to a length of 10 cm (3.9 in). It is found in the aquarium trade. This species is often included in the genus Gnatholebias, of which it has been designated the type species. This species, and Pterlolebias hoignei, are rather distantly related to the other species in Pterolebias and some workers argue that their inclusion in that genus makes it paraphyletic.

References

1. Froese, Rainer; Pauly, Daniel (eds.). "Pterolebias zonatus". FishBase. April 2019 version.
2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Rivulidae". Catalog of Fishes. California Academy of Sciences. Retrieved 12 September 2019.
3. Costa, W.J.E.M. (2005). "The Neotropical annual killifish genus Pterolebias Garman (Teleostei: Cyprinodontiformes: Rivulidae): phylogenetic relationships, descriptive morphology, and taxonomic revision". Zootaxa. 1067 (1): 1. doi:10.11646/zootaxa.1067.1.1.

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