| Ref. principal | Scott, W.B. and E.J. Crossman, 1973 |
|---|---|
| Notas | Inhabits shallow areas of lakes and clear streams, rarely entering brackish water (Ref. 5723). Also in rivers with swift current and stony bottom. Migration is limited to movements associated with spawning (Ref. 27547). Epipelagic (Ref. 58426). Feeds on benthic invertebrates and occasionally on fishes (Ref. 1998); fish eggs (Ref. 593); insects and benthic animals (Ref. 1998). |
| 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. | Scott, W.B. and E.J. Crossman, 1973 |
| Hábito alimentar | hunting macrofauna (predator) |
| Hábito alimentar Ref. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 3.30 | 0.41 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||