主な参照 | Poll, M., 1967 |
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意見 | Inhabits calmer waters of rivers (Ref. 11970). Feeds on worms and insect larvae when young, but takes larger food, mainly fish, when adult (Ref. 27292). It hunts mainly at night (Ref. 27292). |
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. |
参照 | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
供給様式 | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Seegers, L., 1996 |
食性 | hunting macrofauna (predator) |
Feeding habit Ref. | Seegers, L., 1996 |
Estimation method | 原本のサンプル | Unfished population | 意見 | ||
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Troph | s.e. | Troph | s.e. | ||
餌料組成から | |||||
個々の食物品目から | 3.69 | 0.60 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
参照 |