| Ref. principal | Lévêque, C. and J. Daget, 1984 |
|---|---|
| Notas | Prefers flowing waters of perennial rivers. Uncommon in dams. Feeds on a wide variety of food items, primarily algae and aquatic insect larvae; also takes small fishes, snails, freshwater mussels and drifting organisms such as beetles and ants. |
| 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 | plants/detritus+animals (troph. 2.2-2.79) |
|---|---|
| Tipo de alimentação Ref. | Lévêque, C. and J. Daget, 1984 |
| Hábito alimentar | variable |
| Hábito alimentar Ref. | Lévêque, C. and J. Daget, 1984 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | |||||
| Dos itens alimentares individuais | 3.17 | 0.44 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||