Ref. principal | Hart, J.L., 1973 |
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Notas | Found on various types of bottoms (Ref. 2850). Young are found near shore, moving out to deeper waters as they grow older (Ref. 6885). Older individuals typically move from deeper water along the edge of the continental shelf where they spend the winter, to shallow coastal water (27-274 m) for the summer (Ref. 28499). Feeds on fishes, cephalopods, crabs, clams, squids, and other invertebrates (Ref. 6885). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrato | |
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Substrate Ref. | |
Habitats especiais | |
Special habitats Ref. |
Ref. | |
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Associações | |
Associada com | |
Comentários sobre associação | |
Parasitismo |
Tipo de alimentação | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Hart, J.L., 1973 |
Hábito alimentar | hunting macrofauna (predator) |
Feeding habit Ref. | Hart, J.L., 1973 |
Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
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Troph | s.e. | Troph | s.e. | ||
Da composição da dieta | 4.14 | 0.24 | Troph of juv./adults from 7 studies. | ||
Dos itens alimentares individuais | 3.92 | 0.68 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Yang, M.S. and M.W. Nelson, 1999 |