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Ptychocheilus oregonensis (Richardson, 1836)
northern pikeminnow, Columbia River dace, Columbia squawfish, Gray sea trout, Gray weakfish, Seatrout, northern squawfish
Occurs in lakes, ponds and occasionally in runs of small to large rivers. Feeds on fishes, terrestrial insects, plankton, aquatic insect larvae, and crustaceans while inshore; feeds mostly on fishes while offshore (Ref. 1998). Male squawfish, prickly sculpins, and newts prey on the eggs (Ref. 1998). Edible but not well appreciated (1998).