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Diet of a rare Canadian fish species, Carmine Shiner (Notropis percobromus) in the Birch River, Manitoba, Canada

Eva C. Enders, Tharshinidevy Nagalingam, Amanda L. Caskenette, Tyana A. Rudolfsen, Colin Charles, Douglas A. Watkinson


Due to its restricted occurrence and existing threats, Carmine Shiner (Notropis percobromus) has been listed as threatened under the Canadian Species at Risk Act. Little is known about Carmine Shiner biology, and understanding its diet composition will help inform future conservation actions. Consequently, the aim of this study was to analyze the diet of Carmine Shiner. Fish were caught throughout the open water season using beach seines, and stomach contents were analyzed. Carmine Shiner feed on a variety of terrestrial and aquatic insects. Diets did not differ substantially between year classes, and we observed no clear temporal trends in diet composition.


Species at risk; Carmine Shiner; diet; stomach contents

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