Genus of fishes
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.
They are small fish, up to in standard length. 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.
Species.
"Pituna" and the closely related "Maratecoara", "Papiliolebias", "Plesiolebias" and "Stenolebias" form a clade, Plesiolebiasini.
There are currently six recognized species in "Pituna":
References.
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