Ref. principal | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
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Notas | Inhabits pools and main channels of medium to large rivers, usually over sand and gravel. |
Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
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Marine zones / Brackish and freshwater bodies |
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Substrato | Soft Bottom: sand; Hard Bottom: rocky; |
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Substrate Ref. | Page, L.M. and B.M. Burr, 1991 |
Habitats especiais | |
Special habitats Ref. |
Ref. | |
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Associações | |
Associada com | |
Comentários sobre associação | |
Parasitismo |
Tipo de alimentação | plants/detritus+animals (troph. 2.2-2.79) |
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Feeding type Ref. | Becker, G.C., 1983 |
Hábito alimentar | variable |
Feeding habit Ref. | Becker, G.C., 1983 |
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 | 2.70 | 0.31 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
Ref. |