Main Ref. | Whitehead, V., 1969 |
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Remarks | Important but occurs only seasonally in Lake Victoria (Ref. 4967). Frequency of occurence in Caprivi: occasionally in sandy streams, occasionally on rocky streams, common in standing deep water, abundant in shallow swamps, and occasionally in shallow flood plains (Ref. 037065). Feeds largely on insects (Ref. 3681). |
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. | Whitehead, V., 1969 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Whitehead, V., 1969 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.45 | 0.35 | 3.38 | 0.47 | Troph of juv./adults from 1 study. |
From individual food items | 3.28 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Adebisi, A.A., 1981 |