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Distribution of Fishes in the Red River of the North Basin on Multivariate Environmental Gradients

Cyprinidae

Central Stoneroller

Campostoma anomalum (Rafinesque), the central stoneroller, was first reported from the Red River basin by O. Kalin, University of North Dakota (UND), from the Forest River on August 6, 1960 (Nordlie et al. 1961) (Figure A17). Feldman (1963) also reported this species from the Forest River, where it occurred at the UND Biology Area. The only other occurrence of this species from this stream was by Copes and Tubb (1966), who reported 14 specimens. Site records for the central stoneroller elsewhere in the basin are from the Otter Tail River, where it was first reported in 1974 and is often taken in high abundance. Eddy et al. (1972) listed seven specimens taken from the Pelican River by D. Reedstrom (formerly MDNR FISH), but this occurrence was not found in BMNH records. Early site records from the Forest River should be regarded with caution, since the largescale stoneroller C. oligolepis is also found in the Forest River. It is possible that early reports of the common stoneroller from this stream were actually misidentified largescale stonerollers, until recently treated as a subspecies of C. anomalum (Phillips et al. 1982).

Figure A17. Distribution of the central stoneroller in streams of the Red River of the North basin.

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