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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: Pituna: Tupí, pituna = black; in Goias, Brazil.
More on author: Myers.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch; standvastig. Tropical; 24°C - 30°C (Ref. 13614)
South America: temporary pools of the middle rio Tocantins basin in Brazil.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL mannelijk / geslacht onbekend; (Ref. 57947); 3.6 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 8 - 10; Anale zachte stralen: 14 - 16; Wervels: 28 - 29.
Not a seasonal killifish. Is very difficult to maintain in aquarium. Bottom spawner, 5 months incubation (Ref. 27139).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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. (Ref. 57947)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).