| Predator name | Ptychocheilus oregonensis | Main Ref. | Zimmerman, M.P., 1999 |
| Predator group | Cyprinidae | Predator stage | juv./adults |
| Predator I | finfish | Predator II | bony fish |
| Prey stage | juv./adults | ||
| % of stomach contents | 0 | ||
| Locality | lower Columbia River basin, 1990-1996. | ||
| Country | USA - (840) | ||