| 主要参考文献 | Maitland, P.S. and R.N. Campbell, 1992 | ||
| 掠食阶段 | juv./adults | ||
| 食物一 | zooplankton | ||
| 食物二 | plank. crust. | ||
| 食物三 | plank. copepods | ||
| 食物群 | unidentified | 捕食阶段/部份 | juv./adults |
| 食物名称 | unidentified | ||
| 普通 | 4.5 | rare (1-5%) | |
| 国家 | UK Engld Wal | ||
| 附注 | Locality: River Cam; no. of fish examined=372. | ||