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

Cyprinidae

Finescale Dace

Phoxinus neogaeus Cope, the finescale dace, was first reported by Scudder from the Sandhill River in 1860 (UMMZ 1994); but the species was not collected by other early investigators in the Red River basin (Figure A39). In 1955, the species was reported from the Middle and Tamarac Rivers (BMNH 1994). The finescale dace has been collected primarily from the Red Lake River drainage, the Snake, Middle, and Tamarac Rivers, and the upper reaches of the Roseau River. Typical site collections have consisted of 20-25 specimens; but it has been extremely abundant in the Mud River near Grygla, where 400 or more individuals were collected at two sites in 1976. The species has been collected at 19% of the sites sampled in the NMW ecoregion since 1962 (Table 4). The finescale dace has also been reported from sites in the headwaters of the Otter Tail River, where two specimens were taken in 1975, and the Tongue River, where two specimens were collected in 1964; it was reported as common at two sites in 1991.

Figure A39. Distribution of the finescale dace in streams of the Red River of the North basin.

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