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Pterolebias

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(Redirected from Gnatholebias) Genus of fishes

Pterolebias
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cyprinodontiformes
Family: Rivulidae
Genus: Pterolebias
Garman, 1895
Type species
Pterolebias longipinnis
Garman, 1895
Synonyms

Gnatholebias W. J. E. M. Costa, 1998

Pterolebias is a genus of killifish from the family Rivulidae which are native to temporary swamps and ponds in South America. It includes two groups, which sometimes are regarded as separate genera: Pterolebias (sensu stricto) from the southern Amazon and Paraguay (including the Pantanal) river basins, and Gnatholebias from the Orinoco (including the Llanos) river basin.

Depending on the exact species, these annual killifish reach up to 7–12 cm (2.8–4.7 in) in total length.

Species

There are four recognized species in Pterolebias according to FishBase, but two of these are sometimes placed in a separate genus, Gnatholebias. The two groups are relatively distantly related and if kept in a single genus Pterolebias is paraphyletic.

References

  1. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Pterolebias". Catalog of Fishes. California Academy of Sciences. Retrieved 12 September 2019.
  2. ^ 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.
  3. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Pterolebias". FishBase. October 2018 version.
  4. Costa, W.J.E.M. (2014). "Phylogeny and evolutionary radiation in seasonal rachovine killifishes: biogeographical and taxonomical implications". Vertebrate Zoology. 64 (2): 177–192. doi:10.3897/vz.64.e31478.
Taxon identifiers
Pterolebias


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