Main Ref. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
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Remarks | Occur in deep pools and backwaters of medium to large rivers, lakes and impoundments (Ref. 5723, 10294). Juveniles feed on immature aquatic insects. Adults feed on surface insects, aquatic insect larvae and small fishes (Ref. 10294). |
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. |
Fonte Biblio. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Feeding type | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Scott, W.B. and E.J. Crossman, 1973 |
Estimation method | Original sample | Unfished population | Commento | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.72 | 0.56 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Fonte Biblio. |