| Main Ref. | SAUP Database, 2006 |
|---|---|
| Remarks | Dipping; coastal. Outside breeding season, ranges north on Pacific coast to south Peru, and on Atlantic coast to Rio de Janeiro region, and Chubut, Argentina (Ref. 356). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Substrate | |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Ref. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Feeding type | |
|---|---|
| Feeding type Ref. | |
| Feeding habit | |
| Feeding habit Ref. |
| Estimation method | original sample | unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | 4.16 | 0.74 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||