Main Ref. | Rainboth, W.J., 1996 |
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Remarks | Inhabits the middle-depth area of streams, ponds and tanks. Occurs in shallow and relatively deep areas of streams, both in still and relatively fast-flowing waters. Form shoals with 15-30 individuals. Feeds mainly on insects, but also takes plants (Ref. 6028). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate Ref. | |
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Special habitats Ref. |
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Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Rainboth, W.J., 1996 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Weliange, W.S. and U.S. Amarasinghe, 2003 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.15 | 0.20 | 3.18 | 0.43 | Troph of juv./adults from 2 studies. |
From individual food items | 3.20 | 0.40 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Weliange, W.S. and U.S. Amarasinghe, 2003 |