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

Percidae

Logperch

Percina caprodes (Rafinesque), the logperch, was collected by Olson (1932) from the Red Lake River above Crookston, but was not found by other earlier investigators (Figure A72). The logperch has been taken almost exclusively from the Otter Tail River, where it has occurred from the mouth at Breckenridge to the headwater reaches in the NLF ecoregion. There are also records from the Red, Pembina, Goose, Pelican, Red Lake, and Clearwater Rivers; but the species has not been common in these streams. The logperch has been taken at only 6% of the stream sites sampled in the Red River basin since 1962, but has been most abundant in the NCH ecoregion, where it has occurred at 19% of sites (Table 4). Typical collections have contained 3-5 individuals, but as many as 44 have been taken from the Otter Tail River at Phelps, and 98 individuals have been taken at sites below the Orwell Dam in glacial Lake Agassiz beach ridge reaches.

Figure A72. Distribution of the logperch in streams of the Red River of the North basin.

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