| Main Ref. | Hynes, H.B.N., 1950 | ||
| Predator stage | juv./adults | ||
| Food I | nekton | ||
| Food II | finfish | ||
| Food III | bony fish | ||
| Food group | Gasterosteiidae | Prey Stage/Part | recruits/juv. |
| Food name | Gasterosteus aculeatus | ||
| Commonness | common (6-20%) | ||
| Country | UK Engld Wal | ||
| Remark | Locality: Loch Frongoch. | ||