| Main Ref. | Tokranov, A.M., 1992 |
|---|---|
| Remarks | Occurs primarily along the shelf and makes considerable seasonal migrations to its boundary and upper zone of the continental slope where they overwinter (Ref. 6373). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| 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. | Tokranov, A.M., 1992 |
| Feeding habit | hunting macrofauna (predator) |
| Feeding habit Ref. |
| Estimation method | Original sample | Unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | 3.33 | 0.14 | 3.26 | 0.39 | Troph of juv./adults from 6 studies. |
| From individual food items | 3.42 | 0.50 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Tokranov, A.M., 1992 | ||||