Environment: milieu / climate zone / depth range / distribution range
生態学
海; 新鮮な水; 汽水性の 底生の; 降流性の (Ref. 51243); 深さの範囲 3 - 10 m. Tropical
Indian Ocean: East Africa to Sumatra, Indonesia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 121 cm TL オス/雌雄の選別がない; (Ref. 6028); 最大公表体重: 7.0 kg (Ref. 6028)
Adults rarely in coastal swamps, with a wide temperature tolerance. Shy and secretive, and is found in greatest abundance in mud substrates of dry zones. Most often found in deep rock pools in rivers in the wet zones. Probably feeds on small fish, crustaceans, worms and mollusks. Species is too large for use in the aquarium trade, however is a welcome food fish when caught.
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 食糧水産
用具
特記事項
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 28.1 - 29.3, mean 28.6 °C (based on 108 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00076 (0.00037 - 0.00157), b=3.17 (3.00 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.8 ±0.57 se; based on food items.
回復力 (Ref.
120179): 非常に低い, １４年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (73 of 100).
