| 主要參考文獻。 | Fischer, W., M.-L. Bauchot and M. Schneider (eds.), 1987 |
|---|---|
| 附註 | Solitary at present because rare (Ref. 231). Feeding ceases during migration and spawning (Ref. 89072). Adults feed on benthic invertebrates and fish (Ref. 231, 51442), larvae and juveniles feed on small crustaceans and insect larvae (Ref. 51442, 89072). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| 基板 | |
|---|---|
| 基板參考值 | |
| 特殊棲息地 | |
| 特殊棲息地 Ref. |
| 參考文獻 | |
|---|---|
| 協會 | |
| 相關聯 | |
| 協會備註 | |
| 寄生 |
| 攝取食物的類型 | mainly animals (troph. 2.8 and up) |
|---|---|
| 供料類型 Ref. | Fischer, W., M.-L. Bauchot and M. Schneider (eds.), 1987 |
| 攝取食物的習慣 | hunting macrofauna (predator) |
| 餵飼習慣 Ref. | Rochard, E. and P. Elie, 1994 |
| Estimation method | 最初的樣本 | 不捕獲族群 | 附註 | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| 從食物內容 | |||||
| 從個別的食物項目 | 3.51 | 0.51 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| 參考文獻 | |||||