| 主な資料 | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| 意見 | Inhabits flowing pools and gravel runs of creeks and small to medium rivers. Also occurs in rocky margins of lakes. Young-of-the-year feed mostly on dipterous larvae; yearlings feed on aquatic insect larvae (mostly Ephemeroptera and Diptera) during the months of June and July switching to terrestrial insects in September; adults more than 2 years also feed on aquatic insect larvae, (Ephemeroptera and Diptera), terrestrial insects, earthworms (Lumbricus) displaced from the soil and benthic animals (Ref. 1998). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| 基板 | |
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| 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 | Scott, W.B. and E.J. Crossman, 1973 |
| 食性 | hunting macrofauna (predator) |
| 食性 参照。 | Scott, W.B. and E.J. Crossman, 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 | |||||
| 個々の食物品目から | 2.67 | 0.26 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| 参照 | |||||