Main Ref. | Conkel, D., 1993 |
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Remarks | Inhabits lakes and lower river valleys. Prefers lower and middle reaches of rivers in the slower moving waters with soft substrate of sand and mud. Feeds mainly on fish (Ref. 78170). |
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. |
Ref. | |
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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. | Conkel, D., 1993 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Conkel, D., 1993 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 4.50 | 0.80 | Tentative trophic level derived from 1 + troph of a single food item | ||
Ref. |