| Main Ref. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
|---|---|
| Bemerkungen | Occurs in near-shore coastal waters, open water of lakes and small to large rivers, and often in current in rivers. Feeds on Littorina littorea, some amphipods, decapods and eelgrass, Zostera marina (Ref. 5951). |
| Marine - Neritic | Marine - Oceanic | Brackishwater | Freshwater | |
|---|---|---|---|---|
| Marine zones / Brackish and freshwater bodies |
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| Parasitismus |
| Art der Fütterung | mainly animals (troph. 2.8 and up) |
|---|---|
| Fütterungsart Ref. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
| Fütterungsgewohnheit | hunting macrofauna (predator) |
| Fütterungsgewohnheiten Ref. | Coker, G.A., C.B. Portt and C.K. Minns, 2001 |
| Estimation method | Ursprüngliche Probe | Ungefischte Bevölkerung | Bemerkung | ||
|---|---|---|---|---|---|
| Troph | s.e. | Troph | s.e. | ||
| Von der Zusammensetzung der Ernährung | |||||
| Von einzelnen Lebensmitteln | 3.45 | 0.45 | Trophic level estimated from a number of food items using a randomized resampling routine. | ||
| Ref. | |||||