Ref. principal | Allen, G.R., 1989 |
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Notas | Lives in clear, flowing streams with abundant cover. Prefers streams with gravel bottoms and abundant snags. Also occurs in lakes and reservoirs. Feeds on insects, crustaceans and small fishes (Ref. 5259) ; also on molluscs (Ref. 2156). |
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. |
Ref. | |
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Associations | |
Associated with | |
Association remarks | |
Parasitism |
Tipo de alimentação | mainly animals (troph. 2.8 and up) |
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Feeding type Ref. | Allen, G.R., 1989 |
Hábito alimentar | hunting macrofauna (predator) |
Feeding habit Ref. | Allen, G.R., 1989 |
Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
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Troph | s.e. | Troph | s.e. | ||
Da composição da dieta | |||||
Dos itens alimentares individuais | 3.74 | 0.60 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |