| Ref. principal | Castro, R.M.C. and L. Casatti, 1997 |
|---|---|
| Notas | Ratio of digestive tube length/standard length: 1.1. Feeds mainly on insects (Ref. 28681). When feeding, they use their barbels to search for prey on the bottom, although they don't turn over the substrate (Ref. 27701). |
| 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. | Castro, R.M.C. and L. Casatti, 1997 |
| Hábito alimentar | hunting macrofauna (predator) |
| Hábito alimentar Ref. | Mérigoux, S. and D. Ponton, 1998 |
| Estimation method | Amostra original | População virgem (não pescada) | Nota | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Da composição da dieta | 3.92 | 0.26 | 3.15 | 0.40 | Troph of juv./adults from 2 studies. |
| Dos itens alimentares individuais | 3.34 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Castro, R.M.C. and L. Casatti, 1997 | ||||