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The Popeye Shiner (Notropis ariommus) occupies gravel runs and flowing pools of clear creeks and small rivers throughout the Ohio River basin, but has declined in many areas. The Popeye Shiner is a small silvery minnow with characteristically large eyes (Figure 1). Despite being a candidate for the endangered species list (Department of the Interior, 2011 ), little life-history data have been published, which are needed to make conservation management decisions.

Notropis ariommus is categorized by the American Fisheries Society as a vulnerable minnow species (Warren et al, 2000). These fishes were previously known from Alabama, Pennsylvania, and Indiana, but are presumed extirpated from these states. In four more states it is considered imperiled or critically imperiled, and in two states, including Kentucky, it is considered vulnerable (NatureServe Explorer 2. 0, 2023). Sufficiently-large populations persist in Kentucky, permitting us to study its life history: age and growth, reproductive cycle, and diet.

This study aims to determine the maximum age of Notropis ariommus and size distribution in the Rockcastle River, Kentucky. We also examine sexual dimorphism of growth and morphological features in this species.

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Higher Education | Scholarship of Teaching and Learning

Growth and Reproduction of the Popeye Shiner (Notropis ariommus) in the Rockcastle River, Kentucky



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