Pituna is a genus of fish in the family Rivulidae. These annual killifish are endemic to seasonal pools, swamps and lagoons in the Araguaia–Tocantins, Xingu, uppermost Paraná and Paranaíba river basins in Brazil. Most are from savanna regions, but P. xinguensis is from the Amazon rainforest.[2][3]
| Pituna | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Family: | Rivulidae |
| Genus: | Pituna W. J. E. M. Costa, 1989 |
| Type species | |
| Pituna poranga Costa, 1989[1]
| |
They are small fish, up to 4.5 cm (1.8 in) in standard length.[4] Males are overall brownish with a spotted greenish-golden, turquoise or blue pattern, and a blue-black spot at the operculum. Females are far duller.[2]
Species
editPituna and the closely related Maratecoara, Papiliolebias, Plesiolebias and Stenolebias form a clade, Plesiolebiasini.[2]
There are currently six recognized species in Pituna:[4]
References
edit- ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Pituna". Catalog of Fishes. California Academy of Sciences. Retrieved 15 September 2019.
- ^ a b c Costa, W.J.E.M. (2007). "Taxonomy of the plesiolebiasine killifish genera Pituna, Plesiolebias and Maratecoara (Teleostei: Cyprinodontiformes: Rivulidae), with descriptions of nine new species". Zootaxa. 1410: 1–41.
- ^ "Pituna Costa, 1989".
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Pituna". FishBase. November 2018 version.
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