| Main Ref. | Cadena, M., 1982 |
|---|---|
| Remarks |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | Soft Bottom: sand; mud; |
|---|---|
| Substrate Ref. | |
| Special habitats | |
| Special habitats Ref. |
| Ref. | |
|---|---|
| Associations | |
| Associated with | |
| Association remarks | |
| Parasitism |
| Feeding type | mainly plants/detritus (troph. 2-2.19) |
|---|---|
| Feeding type Ref. | Yánez-Arancibia, A. and G. Díaz-González, 1989 |
| Feeding habit | grazing on aquatic plants |
| Feeding habit Ref. |
| Estimation method | Original sample | Unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 2.03 | 0.05 | 2.00 | 0.00 | Troph of adults from 2 studies. |
| From individual food items | 2.55 | 0.25 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Yánez-Arancibia, A. and G. Díaz-González, 1989 | ||||