Main Ref. | Moreira, F., C.A. Assis, P.R. Almeida, J.L. Costa and M.J. Costa, 1992 |
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Remarks |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Benthic: mobile; demersal; Soft Bottom: sand; mud; |
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Substrate Ref. | Kottelat, M. and J. Freyhof, 2007 |
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. | Thorman, S. and A.-M. Wiederholm, 1986 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 3.29 | 0.26 | 3.17 | 0.29 | Troph of juv./adults from 1 study. |
From individual food items | 3.20 | 0.43 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Thorman, S. and A.-M. Wiederholm, 1986 |