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

Cyprinidae

Blacknose Shiner

Notropis heterolepis Eigenmann & Eigenmann, the blacknose shiner, was reported by Scudder from the Middle River in 1860 (UMMZ 1994). It was listed as N. cayuga by Woolman (1896), who described it as rare in the Buffalo River, and collected eight specimens from the Maple River, five specimens from the Sheyenne River at Lisbon, and six specimens at Valley City (Figure A32). The species was also collected at Valley City by Hubbs and Schultz in 1926 (UMMZ 1994). The blacknose shiner has a distribution in the Red River basin quite similar to the blackchin shiner. It is most common in the Otter Tail, Pelican, Buffalo, and Wild Rice Rivers, where it has been present at 45% of the stream sites sampled in the NLF ecoregion since 1962 (Table 4). The species has at times been abundant in samples. Typical collections were from 3-10 individuals, but a sample containing 235 individuals was taken near Detroit Lakes (Pelican River).

Figure A32. Distribution of the blacknose shiner in streams of the Red River of the North basin.

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