Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water; brak water benthopelagisch. Tropical; 10°N - 4°N
Asia: Pakistan, India, Sri Lanka, Bangladesh, Nepal and Myanmar.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 16.0, range 14 - 18 cm
Max length : 63.5 cm TL mannelijk / geslacht onbekend; (Ref. 7308)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 16 - 23; Dorsale zachte stralen (totaal) : 44 - 45. Caudal fin rays 15 and caudal fin distinctly separated from dorsal and anal fins (Ref. 97143).
Occurs in running and stagnant waters (Ref. 4833). Found in fresh and brackish waters and deltas of large rivers, common in ponds and slow flowing rivers with vegetation in plains (Ref. 41236). Inhabits still waters with silt or mud substrate. Believed to be common in rice paddy fields. Nocturnal feeder, on insects and worms.
Deposits eggs on algal masses. Eggs hatch in 1-2 days. Demersal eggs are pale green and 1.3 mm in diameter (Ref. 6028).
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00187 - 0.00559), b=2.99 (2.84 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.1 ±0.33 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Fec = 250).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).