Northern pikeminnow

Northern pikeminnow
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Leuciscidae
Genus: Ptychocheilus
Species:
P. oregonensis
Binomial name
Ptychocheilus oregonensis
Synonyms
  • Cyprinus (Leuciscus) oregonensis J. Richardson, 1836
  • Ptychocheilus gracilis Agassiz & Pickering, 1855
  • Ptychocheilus rapax Girard, 1856

The Northern pikeminnow, Columbia River dace or colloquially Squawfish (Ptychocheilus oregonensis) is a large member of the minnow family, Leuciscidae. This predatory freshwater fish is native to northwestern North America, ranging from the Nass River basin to the Columbia River basin. A good deal of concern has been expressed regarding the impact northern pikeminnow populations may have on salmon in Columbia and Snake River impoundments.