Main Ref. | Jefferson, T.A., S. Leatherwood and M.A. Webber, 1993 |
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Remarks | Usually in deeper offshore waters. Typically in groups of less than 5 individuals (Ref. 801). Feeds on deep water cephalopods (Refs. 801, 1394) and crustaceans (Ref. 122680). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Pelagic; |
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Substrate Ref. | |
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 | 4.50 | 0.37 | Troph of juv./adults. | ||
From individual food items | 4.50 | 0.41 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Wang, M.-C., W.A. Walker, K.-T. Shao and L.-S. Chou, 2002 |