Pterolebiasis agenusofkillifishfrom thefamilyRivulidaewhich 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 southernAmazonandParaguay(including thePantanal) river basins, andGnatholebiasfrom theOrinoco(including theLlanos) river basin.[2]
| Pterolebias | |
|---|---|
Scientific classification
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Rivulidae |
| Genus: | Pterolebias Garman,1895 |
| Type species | |
| Pterolebias longipinnis Garman, 1895[1]
| |
| Synonyms | |
|
GnatholebiasW. J. E. M. Costa,1998 | |
Depending on the exact species, these annualkillifishreach up to 7–12 cm (2.8–4.7 in) intotal length.[3]
Species
editThere are four recognized species inPterolebiasaccording toFishBase,[3]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 genusPterolebiasisparaphyletic.[2][4]
- Pterolebias(sensu stricto)
- Pterolebias longipinnisGarman,1895(Longfin killie)
- Pterolebias phasianusW. J. E. M. Costa,1988
- Gnatholebias
References
edit- ^Eschmeyer, William N.;Fricke, Ron & van der Laan, Richard (eds.)."Pterolebias".Catalog of Fishes.California Academy of Sciences.Retrieved12 September2019.
- ^abCosta, 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.
- ^abFroese, Rainer;Pauly, Daniel (eds.)."Species in genusPterolebias".FishBase.October 2018 version.
- ^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.
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