| Main Ref. | Sarno, B., C.W. Glass and G.W. Smith, 1994 | ||
| Predator stage | juv./adults | ||
| Food I | zooplankton | ||
| Food II | jellyfish/hydroids | ||
| Food III | jellyfish/hydroids | ||
| Food group | Hydrozoa | Prey Stage/Part | juv./adults |
| Food name | Hydrozoa | ||
| Commonness | dominant ( > 50%) | ||
| Country | UK Scotland | ||
| Remark | Loch Ewe, 1992-93 | ||