| Réf. Princ. | Castro, R.M.C. and L. Casatti, 1997 |
|---|---|
| Remarques | 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 |
|
|
|
|
| Substrat | |
|---|---|
| Substrate Ref. | |
| Habitats spéciaux | |
| Special habitats Ref. |
| Réf. | |
|---|---|
| Associations | |
| Associé avec | |
| Remarques sur les associations | |
| Parasitisme |
| Type de prise alimentaire | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | Castro, R.M.C. and L. Casatti, 1997 |
| Habitude alimentaire | hunting macrofauna (predator) |
| Feeding habit Ref. | Mérigoux, S. and D. Ponton, 1998 |
| Estimation method | Échantillon original | Population non pêchée | Remarque | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| À partir du régime alimentaire | 3.92 | 0.26 | 3.15 | 0.40 | Troph of juv./adults from 2 studies. |
| À partir des éléments alimentaires | 3.34 | 0.49 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Réf. | Castro, R.M.C. and L. Casatti, 1997 | ||||