Gila coerulea
Gila coerulea
(Blue Chub)
Native Transplant
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Gila coerulea (Girard, 1856)

Common name: Blue Chub

Taxonomy: available through www.itis.govITIS logo

Identification: Moyle (1976a); Page and Burr (1991); Bond (1994).

Size: 41 cm.

Native Range: Klamath and Lost River systems of Oregon and California (Lee et al. 1980 et seq.; Page and Burr 1991).
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Native range data for this species provided in part by NatureServe NS logo
Interactive maps: Point Distribution Maps

Nonindigenous Occurrences: This species was introduced into some Cascade lakes in Oregon (Bond 1994); specific sites included Paulina Lake and East Lake (C. Bond, personal communication; D. Logan, personal communication). It also may have been introduced into Diamond Lake, Oregon (P. M. Harris, personal communication).

Means of Introduction: Unknown. According to Logan (personal communication), Oregon introductions took place during the 1920s.

Status: Introductions into Paulina and East lakes in Oregon were unsuccessful (Logan, personal communication). Status of Diamond Lake introduction unknown.

Impact of Introduction: Unknown.

Remarks: Lee et al. (1980 et seq.) noted that it had been introduced outside its native range, but nonindigenous sites apparently were not mapped. McPhail and Lindsey (1986) listed it as introduced to the Middle Columbia drainage, but did not provide details. Paulina and East lakes are calderas and both are within the same crater, a remnant of Mt. Newberry. According to Logan (personal communication), neither lake had naturally occurring fish, though a few salmonid species have been successfully introduced. East Lake does not have an outlet, but Paulina Lake does have an outlet (Paulina Creek) which is in the Deschutes-Columbia River drainage.

Other Resources:
FishBase Summary

Author: Fuller, P.

Revision Date: 12/2/1999

Peer Review Date: 4/1/2016

Citation Information:
Fuller, P., 2018, Gila coerulea (Girard, 1856): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL,, Revision Date: 12/2/1999, Peer Review Date: 4/1/2016, Access Date: 1/24/2018

This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.

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Page Last Modified: Thursday, January 11, 2018


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2018]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/24/2018].

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