| Main Ref. | Skaret, G., B.E. Axelsen, L. Nøttestad, A. Fernö and A. Johannessen, 2002 | ||
| Predator stage | juv./adults | ||
| Food I | nekton | ||
| Food II | finfish | ||
| Food III | bony fish | ||
| Food group | Clupeidae | Prey Stage/Part | eggs |
| Food name | herrings | ||
| Commonness | |||
| Country | |||
| Remark | May abandon normal diet and feed exclusively on herring eggs during the herring spawning season (Ref. 82415 cited in Ref. 47909). | ||