主な参照 | Turner, J.L., 1966 |
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意見 | Inhabits lakes and deep pools and runs over sand or rocks in small to large rivers (Ref. 86798). Adults occur in rivers and streams and prefer clean, well oxygenated water (Ref. 9988), but also in ponds and reservoirs (Ref. 10294, 44091). Recorded as having been or being farmed in rice fields (Ref. 119549). They feed primarily on small fish, crustaceans (e.g. crayfish), clams and snails; also feed on aquatic insects and small mammals (Ref. 9669, 10294, 44091). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. | Halwart, M. and M.V. Gupta, 2004 |
参照 | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
供給様式 | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Turner, J.L., 1966 |
食性 | variable |
Feeding habit Ref. |
Estimation method | 原本のサンプル | Unfished population | 意見 | ||
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Troph | s.e. | Troph | s.e. | ||
餌料組成から | 4.16 | 0.28 | 4.02 | 0.68 | Troph of juv./adults from 2 studies. |
個々の食物品目から | 3.40 | 0.54 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
参照 | Turner, J.L., 1966 |