| Main Food | Percent |
Trophic Level (y) |
Predator Life Stage | Country | Locality | Ref. |
|---|---|---|---|---|---|---|
| zoobenthos | 66 | 3.2 | adults | Sweden | Gräsö I., south Bothnian Sea, 1982 | 30507 |
| zooplankton | 65 | 3.1 | larvae | Germany | Barther Strom April-June 1990 & 1991 | 30592 |
| zooplankton | 39 | 3.4 | larvae | - | Western Baltic | 13424 |
| zoobenthos | 95 | 3.1 | recruits/juv. | UK Scotland | Camas Nathais, Lynn of Lorne on the west coast of Scotland, 1975-1976 | 12577 |