Main Ref. | Petersen, J.H. and D.L. Ward, 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 | Cottus asper | ||
Commonness | |||
Country | USA | ||
Remark | Locality: John Day Reservoir, Pacific Northwest. |