| Main Food | Percent |
Trophic Level (y) |
Predator Life Stage | Country | Locality | Ref. |
|---|---|---|---|---|---|---|
| zoobenthos | 45 | 3.3 | juv./adults | Sweden | Gräsö I., south Bothnian Sea, 1982 | 30507 |
| zooplankton | 40 | 3.2 | larvae | Germany | Barther Bodden, April & July 1987-1988, April 1989 | 30592 |
| zooplankton | 53 | 3.0 | larvae | Germany | Weser Estuary, June 1993, April-July 1994 | 30592 |
| zooplankton | 73 | 3.1 | larvae | Germany | Barther Strom, April-June 1990-1991 | 30592 |
| zooplankton | 82 | 3.0 | larvae | Germany | Elbe Estuary, June 1993, April-July 1994 | 30592 |