| Main Ref. | Frost, W.E., 1977 | ||
| Predator stage | juv./adults | ||
| Food I | zooplankton | ||
| Food II | plank. crust. | ||
| Food III | cladocerans | ||
| Food group | Daphnidae | Prey Stage/Part | juv./adults |
| Food name | Daphnia hyalina | ||
| Commonness | 40 | very common (21-50%) | |
| Country | UK Engld Wal | ||
| Remark | Locality: Windermere, between Feb. 1950 and March 1951. No. of fish sampled: 658. Data presented as % of total frequency. | ||