| Huvuddomare. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
|---|---|
| Anmärkningar | Also recorded down to 400 m depth off West Africa and descending in winter to 100 to 159 m depth in the Mediterranean; euryhaline, tolerating salinities of 5 to 41 o/oo and in some areas entering lagoons, estuaries or lakes, especially in the warmer months during the spawning season. A tendency to extend into more northern waters in summer and generally to move into the surface layers, retreating and descending in winter (Ref. 189). 90% of the diet consisted of meso- and macrozooplankton (Ref. 42649). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
|
|
|
|
| Substrat | |
|---|---|
| Substrat Ref. | |
| Särskilda livsmiljöer | |
| Särskilda livsmiljöer Ref. |
| Ref. | |
|---|---|
| Föreningar | |
| Associerad med | |
| Anmärkningar från föreningen | |
| Parasitism |
| Typ av föda | mainly animals (troph. 2.8 and up) |
|---|---|
| Typ av matning Ref. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
| Födosöksstrategi | selective plankton feeding |
| Utfodringsvanor Ref. | Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988 |
| Estimation method | Ursprungligt prov | Ofiskad population | Kommentar | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Från födosammansättning | |||||
| Från individuella födoämnen | 3.12 | 0.36 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||