| Ref. principal | Fedorov, V.V., 1986 |
|---|---|
| Notas | Carnivorous, preys voraciously on moving animals which are swallowed whole (Ref. 46230). Feeds on small bottom invertebrates, chiefly insects (Ephemeroptera nymphs, larvae of Plecoptera and Trichoptera), crustaceans (amphipods, gammarids, crayfishes), also eggs and larvae of fishes (Ref. 4698). Short-lived species (Ref. 46230). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrato | |
|---|---|
| Substrato Ref. | |
| Special habitats | |
| Habitats especiais Ref. |
| Ref. | |
|---|---|
| Associações | |
| Associado a | |
| Observações da associação | |
| Parasitism |
| Tipo de alimentação | mainly animals (troph. 2.8 and up) |
|---|---|
| Tipo de alimentação Ref. | Fedorov, V.V., 1986 |
| Hábito alimentar | hunting macrofauna (predator) |
| Hábito alimentar Ref. | Fedorov, V.V., 1986 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | 3.23 | 0.24 | 3.13 | 0.38 | Troph of juv./adults from 2 studies. |
| Dos itens alimentares individuais | 3.28 | 0.48 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Smyly, W.J.P., 1957 | ||||