Issue
This species is a synonym of Heteropneustes fossilis (Bloch, 1794) according to Kottelat, 2013 (Ref. 94476) and Ferraris, 2007 (Ref, 58032). The species page will be removed.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt; Thuộc về nước lợ gần đáy. Tropical; 22°C - 26°C (Ref. 2060); 8°N - 7°N
Asia: known to be endemic to Sri Lanka (Ref. 6028), but recorded from India (Ref. 4833, 43640).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL con đực/không giới tính; (Ref. 6028)
Facultative air-breathing in the genus (Ref. 126274); Adults occur mainly in swamps and similar still, often turbid waters (e.g. irrigation ditches). Form loose schools of about ten individuals of approximately the same size. Enter brackish water. Can survive temperatures up to 39.8°C (Ref. 7256). An omnivore with nocturnal feeding habits. Oviparous, distinct pairing possibly like other members of the same family (Ref. 205). Very easily maintained in captivity. Sympatric with H. fossilis which is more abundant in the type locality. Best method of catch is dewatering of small water holes during drought period.
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Eggs of about 2 mm diameter are laid in lumps in a gravel nest. The parents guard the eggs and the youngs.
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: Version 2024-1)
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00193 - 0.00988), b=3.09 (2.88 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).