The Umpqua pikeminnow (''Ptychocheilus umpquae'') is a large

cyprinid Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest ver ...

fish endemic to

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. T ...

. It is native to the Umpqua and Siuslaw river drainages.

Description

The Umpqua pikeminnow usually has 60 to 63 scales between the head and dorsal fin. It usually has around 66 to 81 scales along its lateral line. It usually has 9 rays on its dorsal fin and 8 rays on its anal fin. They can reach 44 cm (17.5 in) in total length, but are more often 31 cm (12.2 in).

Distribution and habitat

The fish are found in the Northwest United States, usually along the Umpqua and Siuslaw river drainages, as well as in the Rogue River. The fish inhabit the pools or sluggish runs of small rivers and creeks.

References

Ptychocheilus Endemic fauna of Oregon Fish of the Western United States Freshwater fish of the United States Fish described in 1908 {{Leuciscinae-stub