| 主要参考文献 | Maitland, P.S. and R.N. Campbell, 1992 | ||
| 掠食阶段 | juv./adults | ||
| 食物一 | zoobenthos | ||
| 食物二 | insects | ||
| 食物三 | insects | ||
| 食物群 | Ephemeroptera | 捕食阶段/部份 | adults |
| 食物名称 | mayfly | ||
| 普通 | common (6-20%) | ||
| 国家 | UK Engld Wal | ||
| 附注 | Locality: River Stour and River Frome; no. of fish examined=369. Prey includes larvae. | ||