| Main Ref. | Oscoz, J., P.M. Leunda, R. Miranda and M.C. Escala, 2006 | ||
| Predator stage | adults | ||
| Food I | zoobenthos | ||
| Food II | benth. crust. | ||
| Food III | amphipods | ||
| Food group | Gammaridae | Prey Stage/Part | juv./adults |
| Food name | unidentified gammarids | ||
| Commonness | 35 | very common (21-50%) | |
| Country | Spain | ||
| Remark | Locality: River Larraun, a tributary of Ebro River, Navarre, northern Spain. Fish length: > 6 cm. | ||