Pitunais agenusoffishin thefamilyRivulidae.These annualkillifishareendemicto seasonal pools, swamps and lagoons in theAraguaiaTocantins,Xingu,uppermostParanáandParanaíbariver basins in Brazil. Most are from savanna regions, butP. Xing uensisis from theAmazon rainforest.[2][3]

Pituna
Scientific classificationEdit this 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) instandard length.[4]Males are overall brownish with a spotted greenish-golden,turquoiseor blue pattern, and a blue-black spot at theoperculum.Females are far duller.[2]

Species

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Pitunaand the closely relatedMaratecoara,Papiliolebias,PlesiolebiasandStenolebiasform aclade,Plesiolebiasini.[2]

There are currently six recognized species inPituna:[4]

References

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  1. ^Eschmeyer, William N.;Fricke, Ron & van der Laan, Richard (eds.)."Pituna".Catalog of Fishes.California Academy of Sciences.Retrieved15 September2019.
  2. ^abcCosta, 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.
  3. ^"Pituna Costa, 1989".
  4. ^abFroese, Rainer;Pauly, Daniel (eds.)."Species in genusPituna".FishBase.November 2018 version.