Main Ref. | Michael, S.W., 1993 |
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Anmärkningar | Feeds on fish, cephalopods, benthic invertebrates and zooplankton (Ref. 5578). Also in Ref. 9137. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | : rocky; |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Typ av föda | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Cortés, E., 1999 |
Födosöksstrategi | hunting macrofauna (predator) |
Feeding habit Ref. | Cortés, E., 1999 |
Estimation method | Ursprungligt prov | Ofiskad population | Kommentar | ||
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Troph | s.e. | Troph | s.e. | ||
Från födosammansättning | 4.22 | 0.45 | 4.09 | 0.57 | Troph of juv./adults from 1 study. |
Från individuella födoämnen | 3.89 | 0.32 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. | Cortés, E., 1999 |