Umpqua pikeminnow explained

The Umpqua pikeminnow (Ptychocheilus umpquae) is a large cyprinid fish endemic to Oregon. 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 in total length, but are more often .^[1]

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.^[2]

The fish inhabit the pools or sluggish runs of small rivers and creeks.

Notes and References

1. Book: Peterson Field Guide to Freshwater Fishes of North America North of Mexico. Page. Lawrence M.. Burr. Brooks M.. 2011. Houghton Mifflin Harcourt. 9780547242064. en.
2. News: Pikeminnow have long been in the Rogue River. 2011-08-21. Mail Tribune. https://web.archive.org/web/20181225223805/http://mailtribune.com/news/since-you-asked/pikeminnow-have-long-been-in-the-rogue-river. 2018-12-25. 2018-12-25.