Main Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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Remarks | Found in rocky coastlines, with a preference for sea caves and grottos that are generally inaccessible from land (and sometimes have only submarine entrances). In West Africa, they come ashore on open beaches. Feeds on octopus, at least 1 type of ray, and a variety of fishes. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Hard Bottom: rocky; |
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Substrate Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Special habitats | |
Special habitats Ref. |
Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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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. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | 4.40 | 0.45 | Troph of juv./adults. | ||
From individual food items | 3.69 | 0.34 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Salman, A., M. Bilecenoglu and H. Güçlüsoy, 2001 |