分類 / Names
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Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Heteropneustidae (Airsac catfishes)
囊鰓鯰科 (Airsac catfishes)
Etymology: Heteropneustes: Greek, heteros = other + Greek, pneo = to breath (Ref. 45335).
More on author: Günther.
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
生態學
; 淡水; 半鹹淡水 居於水底的. 熱帶; 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).
亞洲: 被知道是斯里蘭卡 (參考文獻 6028) 的特有種, 但是從印度記錄.(參考文獻 4833,43640)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL 雄魚/尚未辨別雌雄; (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.
成魚出現主要在沼澤與相似的靜止, 時常混濁的水域 (例如灌溉溝渠). 形式大約大約相同的大小的十個個體的鬆散魚群。 進入半淡鹹水。 能存活溫度高達 39.8 °C 。 (參考文獻 7256) 一個雜食者具有夜行的食性。 卵生的, 明顯的成對可能地像其他的相同該科的成員.(參考文獻 205) 非常容易地維持在繁殖場。 與 H. fossilis 是重疊分佈.更豐富的在模式標本產地中。 捕捉的最好方法正在乾旱期間小水坑使脫水。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Eggs of about 2 mm diameter are laid in lumps in a gravel nest. The parents guard the eggs and the youngs.亞洲: 被知道是斯里蘭卡 (參考文獻 6028) 的特有種, 但是從印度記錄.(參考文獻 4833,43640)
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
人類使用
漁業: 商業性; 水族館: 商業性
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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).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
