主要参考文献 | Tokranov, A.M. and V.V. Maksimenkov, 1994 |
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附注 | Euryhaline, can exist in freshwater lagoons and river mouths, sometimes moving very far upstream. Occurs mainly in the upper sublittoral zone (Ref. 9013). Found inshore, often in very shallow water and in estuaries during the summer; moving into deeper water in the winter (Ref. 27547). However, they may occur in deep water throughout the year (Ref. 27547). Does not venture into water of high salinities (Ref. 28899). Young and adults move up rivers, as much as 120 km (Ref. 27547). Benthic (Ref. 58426). Feeds on crustaceans, worms, small mollusks, brittle stars, and small fishes (Ref. 6885). |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrate | |
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Substrate Ref. | |
Special habitats | |
Special habitats Ref. |
参考文献 | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
摄取食物的类型 | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Tokranov, A.M. and V.V. Maksimenkov, 1994 |
摄取食物的习惯 | hunting macrofauna (predator) |
Feeding habit Ref. | Tokranov, A.M. and V.V. Maksimenkov, 1994 |
Estimation method | 最初的样本 | 不捕获族群 | 附注 | ||
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Troph | s.e. | Troph | s.e. | ||
从食物内容 | 3.58 | 0.11 | 3.27 | 0.32 | Troph of adults from 3 studies. |
从个别的食物项目 | 3.50 | 0.50 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
参考文献 | Jewett, S.C. and H.M. Feder, 1980 |