Oregon chub

{{Short description|Species of fish}}

{{Speciesbox

| image = Oregon chub (12075420615).jpg

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=NatureServe |author-link=NatureServe |year=2013 |title=Oregonichthys crameri |page=e.T15453A19034423 |doi=10.2305/IUCN.UK.2013-1.RLTS.T15453A19034423.en |access-date=11 November 2021}}

| status2 = G3

| status2_system = TNC

| status2_ref = {{cite web |title=Oregonichthys crameri |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.103713/Oregonichthys_crameri |website=NatureServe Explorer An online encyclopedia of life |version=7.1 |publisher=NatureServe|access-date=8 September 2023}}

| taxon = Oregonichthys crameri

| authority = (Snyder, 1908)

| synonyms = *Hybopsis crameri Snyder 1908

| synonyms_ref = {{Cof genus|genus=Oregonichthys|access-date=17 March 2025}}

}}

The Oregon chub (Oregonichthys crameri) is a species of freshwater ray-finned fish beloinging to the family Leuciscidae, the shiners, daces and minnows. It is endemic to Oregon in the United States. From 1993 to 2015 it was a federally listed threatened species.Their scales are relatively large, with less than 40 on their lateral line. The scales towards the caudal fin are outlined with a darker pigment.

This chub is native to the drainage of the Willamette River in Oregon. It was once distributed throughout the drainage in shallow water habitat, but changes in the hydrology of the region have eliminated much of this habitat and restricted the chub to several streams and rivers. Dams and channels were constructed and non-native species of fish were introduced to the area. The chub was listed as endangered in 1993 and downlisted to threatened in 2010.Bangs, B. L., P. D. Scheerer, R. L. Jacobsen, and S. E. Jacobs. 2010. [http://oregonstate.edu/dept/ODFW/NativeFish/pdf_files/Chub2010.pdf 2010 Oregon Chub Investigations.] Oregon Department of Fish and Wildlife. Fish Research Project EF-10, Annual Progress Report, Corvallis.

In early 2014, the U.S. Fish and Wildlife Service said that the small, silver-speckled minnow would become the first fish to be taken off the endangered species list when its numbers returned from fewer than 1,000 individuals to an estimated 160,000.[http://www.gazettetimes.com/news/local/oregon-chub-swimming-against-the-current/article_8cff4998-8d15-11e3-9b22-001a4bcf887a.html Oregon chub: Swimming against the current] Corvallis Gazette-Times, 2014-02-04.[http://www.weather.com/news/science/drab-fish-makes-big-splash-first-removed-endangered-species-act-20140204 Drab Fish Makes Big Splash as First Removed from Endangered Species Act] The Weather Channel, 2014-02-05. It was delisted on February 17, 2015 with populations of more than 140,000 in 80 different locations.{{Cite web |url=http://www.fws.gov/pacific/news/news.cfm?id=2144375359 |title=2/17/2015 - Endangered Species Act Scores Another Success as Oregon Chub Becomes First Fish Delisted Due to Recovery |access-date=2015-02-19 |archive-date=2015-02-19 |archive-url=https://web.archive.org/web/20150219101043/http://www.fws.gov/pacific/news/news.cfm?id=2144375359 |url-status=dead }}