| 主な資料 | Roberts, T.R., 1992 |
|---|---|
| 意見 | Prefers quiet waters with vegetation. Females lay 150-200 eggs of 2 mm diameter (Ref. 1672). Can produce barking sounds. Comes to the surface from time to time to swallow air. Feeds at dusk and during the night on worms, crustaceans, insects and snails . |
| 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 | Mills, D. and G. Vevers, 1989 |
| 食性 | hunting macrofauna (predator) |
| 食性 参照。 | Mills, D. and G. Vevers, 1989 |
| 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 | |||||
| 個々の食物品目から | 3.28 | 0.44 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| 参照 | |||||