| 主な資料 | Hart, J.L., 1973 |
|---|---|
| 意見 | 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 | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| 基板 | |
|---|---|
| 基板参照 | |
| 特別な生息地 | |
| 特別な習慣 参照 |
| 参照 | |
|---|---|
| 協会 | |
| 関連 | |
| 協会備考 | |
| 寄生 |
| 供給様式 | mainly animals (troph. 2.8 and up) |
|---|---|
| 給餌タイプ 参照 | Hart, J.L., 1973 |
| 食性 | hunting macrofauna (predator) |
| 食性 参照。 | Hart, J.L., 1973 |
| Estimation method | 原本のサンプル | 未漁獲人口 | 意見 | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| 餌料組成から | 4.14 | 0.24 | Troph of juv./adults from 7 studies. | ||
| 個々の食物品目から | 3.92 | 0.68 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| 参照 | Yang, M.S. and M.W. Nelson, 1999 | ||||