Umpqua pikeminnow
The image shows 3 species of fish. The third one towards the right is umpqua pikeminnow. The species are differentiated by the size of their scales.
Illustration (c) shows umpqua pikeminnow. See other species at the bottom part of the image
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae
Subfamily: Leuciscinae
Clade: Laviniinae
Genus: Ptychocheilus
Species:
P. umpquae
Binomial name
Ptychocheilus umpquae
Snyder, 1908

The Umpqua pikeminnow (Ptychocheilus umpquae) is a large cyprinid fish endemic to Oregon. It is native to the Umpqua and Siuslaw river drainages.[2]

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).[3][4]

Distribution and habitat

The fish are found in the Northwest United States, usually along the Umpqua and Siuslaw river drainages,[3] as well as in the Rogue River.[5]

The fish inhabit the pools or sluggish runs of small rivers and creeks.[3]

References

  1. ↑ NatureServe (2013). "Ptychocheilus umpquae". IUCN Red List of Threatened Species. 2013: e.T202360A18235249. doi:10.2305/IUCN.UK.2013-1.RLTS.T202360A18235249.en. Retrieved 18 November 2021.
  2. ↑ Froese, Rainer; Pauly, Daniel (eds.) (2014). "Ptychocheilus umpquae" in FishBase. November 2014 version.
  3. 1 2 3 Page, Lawrence M.; Burr, Brooks M. (2011). Peterson Field Guide to Freshwater Fishes of North America North of Mexico. Houghton Mifflin Harcourt. ISBN 9780547242064.
  4. ↑ "Ptychocheilus umpquae summary page". FishBase. Retrieved 2018-12-25.
  5. ↑ "Pikeminnow have long been in the Rogue River". Mail Tribune. 2011-08-21. Archived from the original on 2018-12-25. Retrieved 2018-12-25.


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