| Main Ref. | Whitehead, P.J.P., 1985 |
|---|---|
| Remarks | Sometimes entering estuaries (especially the juveniles) and tolerating salinities as low as 4 o/oo; strong migrations between winter feeding and summer spawning grounds. Move to the surface at night. |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrate | Pelagic; |
|---|---|
| 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. | Whitehead, P.J.P., 1985 |
| Feeding habit | selective plankton feeding |
| Feeding habit Ref. | Whitehead, P.J.P., 1985 |
| Estimation method | Original sample | Unfished population | Remark | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| From diet composition | |||||
| From individual food items | 3.01 | 0.07 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | Oven, L.S., N.F. Shevchenko and V.E. Giragosov, 1997 | ||||