Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού; Υφάλμυρο βενθοπελαγικό. Tropical; 10°N - 4°N
Asia: Pakistan, India, Sri Lanka, Bangladesh, Nepal and Myanmar.
Length at first maturity / Μέγεθος / Βάρος / Age
Maturity: Lm 16.0, range 14 - 18 cm
Max length : 63.5 cm TL αρσενικό/απροσδιόριστο; (Ref. 7308)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 16 - 23; Μαλακές ραχιαίες ακτίνες (συνολικά) : 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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Εργαλεία
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (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).
Τροφικό Επίπεδο (Ref.
69278): 3.1 ±0.33 se; based on food items.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Fec = 250).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).