| Ref. principal | Skelton, P.H., 1993 |
|---|---|
| Notas | Usually found near vegetation except when the water is turbid. It can tolerate extreme conditions and survive in various habitats from small streams to large impoundments. Feeding habits varied in different seasons: for small fish benthic feeding during spring and midwater feeding during summer; larger fish fed on corixid bugs during summer but switched to chironomid larvae and zooplankton in winter. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| 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. | Skelton, P.H., 1993 |
| Hábito alimentar | variable |
| Hábito alimentar Ref. | Skelton, P.H., 1993 |
| 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 | 0.40 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||