Main Ref. | Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984 |
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Remarks | Oceanic (Refs. 97142, 98471). Mesopelagic and bathyal. Adults occur in deeper waters and captured by seals and sea lions (Ref. 97142). Heavily preyed upon by sperm whales and seabirds. Diet includes krill and finfish (Ref. 98471). |
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. | IUCN, 2014 |
Special habitats | |
Special habitats Ref. |
Ref. | Roper, C.F.E., M.J. Sweeney and C.E. Nauen, 1984 |
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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. | IUCN, 2014 |
Feeding habit | hunting macrofauna (predator) |
Feeding habit Ref. | Collins, M.A., A.L. Allcock and M. Belchier, 2004 |
Estimation method | original sample | unfished population | Remark | ||
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Troph | s.e. | Troph | s.e. | ||
From diet composition | |||||
From individual food items | 3.83 | 0.62 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |