Main Ref. | De Sylva, D.P., 1990 |
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Remarks | Feeds on cephalopods, crustaceans (Ref. 6949) and fishes (Ref. 44330). |
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. | De Sylva, D.P., 1990 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Barreiros, J.P., R.S. Santos and A.E. de Borba, 2002 |
Estimation method | Original sample | Unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.31 | 0.52 | 4.10 | 0.64 | Troph of juv./adults from 1 study. |
From individual food items | 4.25 | 0.68 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Barreiros, J.P., R.S. Santos and A.E. de Borba, 2002 |