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The Nonindigenous Occurrences section of the NAS species profiles has a new structure. The section is now dynamically updated from the NAS database to ensure that it contains the most current and accurate information. Occurrences are summarized in Table 1, alphabetically by state, with years of earliest and most recent observations, and the tally and names of drainages where the species was observed. The table contains hyperlinks to collections tables of specimens based on the states, years, and drainages selected. References to specimens that were not obtained through sighting reports and personal communications are found through the hyperlink in the Table 1 caption or through the individual specimens linked in the collections tables.

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Common name: Sacramento Perch

Taxonomy: available through www.itis.gov

Identification: Moyle (1976a); Sigler and Sigler (1987); Page and Burr (1991).

Size: 73 cm.

Native Range: Sacramento--San Joaquin, Pajaro, and Salinas River drainages, and Clear Lake in Lake County, California (Moyle 1976a; Page and Burr 1991).

Alaska	Hawaii	Puerto Rico & Virgin Islands	Guam Saipan

Native range data for this species provided in part by NatureServe

Hydrologic Unit Codes (HUCs) Explained
Interactive maps: Point Distribution Maps

Means of Introduction: Intentional stocking for sportfishing. The earliest introduction of Sacramento Perch took place circa 1877, into western Nevada (McCarraher and Gregory 1970). Nebraska, North Dakota, Colorado, New Mexico, Texas, and Arizona were all stocked in the 1960s (McCarraher and Gregory 1970). Sacramento Perch were discovered in Crowley Lake, California in the late 1960s, but the exact date and reason for the introduction is not known (McCarraher and Gregory 1970).

Status: According to McCarraher and Gregory (1970), survival has been poor in most states. Small numbers still persist in private lakes near Fort Collins, Colorado (Walker 1993). No longer present in Walker Lake, Nevada (Sigler and Sigler 1987). Probably extirpated in Arizona. It was known to have reproduced at least once in that state after its introduction in 1968 (Minckley 1973). Extirpated in New Mexico (Sublette et al. 1990).

Impact of Introduction: Introduced Sacramento Perch, along with many other introduced fishes, may have contributed to the decline of the Lost River sucker Deltistes luxatus and the shortnose sucker Chasmistes brevirostris in the upper Klamath drainage in Oregon (U.S. Fish and Wildlife Service 1993).

Remarks: This is the only native centrarchid west of the Rockies. It is declining in its native range due to competition with introduced species (Moore 1968; McCarraher and Gregory 1970; Minckley 1973).

References: (click for full references)

Anonymous 2001. Oregon's Warm Water Fishing with Public Access. [online]. URL at http://www.dfw.state.or.us/ODFwhtml/FishText/WWFishing/WWFishAL.html.

Rasmussen, J.L. 1998. Aquatic nuisance species of the Mississippi River basin. 60th Midwest Fish and Wildlife Conference, Aquatic Nuisance Species Symposium, Dec. 7, 1998, Cincinnati, OH.

Tilmant, J. T. 1999. Management of nonindigenous aquatic fish in the U.S. National Park System. National Park Service. 50 pp.

U.S. Fish and Wildlife Service. 1993. Lost River (Deltistes luxatus) and shortnose (Chamistes brevirostris) sucker recovery plan. U.S. Fish and Wildlife Service, Portland, Oregon.

Other Resources:

Author: Fuller, P.

Peer Review Date: 4/11/2006

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.