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| NAS - Nonindigenous Aquatic Species |
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Common Name: largescale stoneroller
Taxonomy: available through 
Identification: Becker (1983); Robison and Buchanan (1988); Page and Burr (1991); Etnier and Starnes (1993); Pflieger (1997). This species requires additional taxonomic study.
Size: 22 cm.
Native Range:
Upper Mississippi River and Lake Michigan drainages of Wisconsin, eastern Minnesota, eastern Iowa, and northern Illinois; Ozarkian streams of central and southern Missouri, and northern Arkansas; Mobile Bay drainage, Georgia, Alabama, and eastern Mississippi; parts of Green, Cumberland, and Tennessee River drainages of Kentucky, Tennessee, Georgia, and Alabama (Page and Burr 1991; Burr and Cashner 1983).
Nonindigenous Occurrences: This species was taken from the Escambia River drainage of Alabama (Gilbert 1992), and we suspect its presence to be the result of an introduction. It also was (circa 1979) discovered in the Illinois River in Oklahoma (middle Arkansas drainage) and may be introduced there (Lee et al. 1980 et seq.; Cross et al. 1986).
Means of Introduction: Possible bait release.
Status: Reported from Alabama and Oklahoma.
Impact of Introduction: Largely unknown. Burr and Cashner (1983) noted that stonerollers are popular bait minnows and stated that hybrids between Campostoma oligolepis and C. pauciradii found in some sites are likely the result of the introduction of one or the other species into the natural range of the other by man.
Remarks: Gilbert (1992) suggested that several different minnow species recently found in the Escambia River drainage, including Luxilus chrysocephalus, Nocomis leptocephalus, and Notropis baileyi, may have been introduced there. As support for introduction, he indicated that these minnows were absent in all early samples taken from that drainage. In his opinion (Gilbert, personal communication), the same case can be made for Campostoma oligolepis. Unlike the other three cyprinids, Campostoma oligolepis is not yet known from the Florida portion of the Escambia River drainage. In their summary table on Alabama fishes, Mettee et al. (1996) listed it as native to the Conecuh (Escambia) River drainage. Concerning its native range, Etnier and Starnes (1993) questioned the identification of lower Tennessee River Campostoma as oligolepis. Consequently, this species may not be part of the Tennessee fauna. Although Menhinick (1991) reported no records from North Carolina, he said that it may be present in the Little Tennessee system in the state. However, Burr and Cashner (1983) did record the species from the southwestern corner of the state.
Etnier, D. A., and W. C. Starnes. 1993. The fishes of Tennessee. University of Tennessee Press, Knoxville, TN.
Page, L. M., and B. M. Burr. 1991. A field guide to freshwater fishes of North America north of Mexico. The Peterson Field Guide Series, volume 42. Houghton Mifflin Company, Boston, MA.
Other Resources:
FishBase Fact Sheet
Author: Pam Fuller
Revision Date: 10/12/2000 Citation for this information:
Pam Fuller. 2009. Campostoma oligolepis. USGS Nonindigenous Aquatic Species Database, Gainesville, FL.
<http://nas.er.usgs.gov/queries/FactSheet.asp?speciesID=507> Revision Date: 10/12/2000
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