| Main Ref. | Zimmerman, M.P., 1999 | ||
| Predator stage | juv./adults | ||
| Food I | nekton | ||
| Food II | finfish | ||
| Food III | bony fish | ||
| Food group | Cottidae | Prey Stage/Part | juv./adults |
| Food name | Cottidae | ||
| Commonness | 45.8 | very common (21-50%) | |
| Country | USA | ||
| Remark | Locality: lower Columbia River basin. 1990-1996. | ||