| Main Ref. | González, P. and C. Oyarzún, 2003 |
|---|---|
| Remarks | Found near the coast with a depth range from 0 to 40 m; adults dwell in rocky-bottomed areas and juveniles in sandy-bottomed areas (Ref. 50436). Feeds mainly on crustaceans, mostly mysids, fish and annelids. A significant difference in diet was found between analyzed size groups and seasonal changes (Ref. 50436). |
| 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 | mainly animals (troph. 2.8 and up) |
|---|---|
| Feeding type Ref. | González, P. and C. Oyarzún, 2003 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. | González, P. and C. Oyarzún, 2003 |
| Estimation method | Original sample | Unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.53 | 0.17 | 3.37 | 0.37 | Troph of juv./adults from 2 studies. |
| From individual food items | 3.18 | 0.40 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Medina, M., M. Araya and C. Vega, 2004 | ||||