المرجع الرئيسي | Nielsen, J.G., 1986 |
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ملاحظات | Feeds mainly on fish, but also squids and crustaceans (Ref. 4703). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | Soft Bottom |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
مرجع | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
نوع التغذية | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Nielsen, J.G., 1986 |
العادات الغذائية | hunting macrofauna (predator) |
Feeding habit Ref. | Nielsen, J.G., 1986 |
Estimation method | العينة الأصلية | مجتمعات لم يتم صيدها | ملاحظة | ||
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Troph | s.e. | Troph | s.e. | ||
من التركيبة الغذائية | 4.34 | 0.13 | Troph of juv./adults from 67 studies. | ||
من العناصر الغذائية المفردة | 3.51 | 0.69 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
مرجع | Morte, S., M.J. Redon and A. Sanz-Brau, 1999 |