| Main Ref. | Maitland, P.S. and R.N. Campbell, 1992 | ||
| Predator stage | juv./adults | ||
| Food I | zoobenthos | ||
| Food II | worms | ||
| Food III | n.a./other annelids | ||
| Food group | Hirudinea | Prey Stage/Part | juv./adults |
| Food name | leeches | ||
| Commonness | 1 | rare (1-5%) | |
| Country | UK Engld Wal | ||
| Remark | Locality: Llyn Tegid; no. of fish examined=725. | ||