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Journal of Undergraduate Research

Keywords

white bass, morone chrysops, juvenile June suckers, chasmistes liorus

College

Life Sciences

Department

Nutrition, Dietetics, and Food Science

Abstract

We estimated the vulnerability of juvenile June suckers to predation by a growing cohort of juvenile white bass. Also, habitat preference of juvenile white bass (open versus vegetated habitats) in the presence and absence of adult white bass was determined experimentally. Juvenile white bass preferred vegetated habitats similar to juvenile June suckers. June suckers are most vulnerable to juvenile white bass immediately after they hatch and move downstream into Utah Lake. Vulnerability decreases during the summer until by the end of the growing season. Only a small fraction of the juvenile June sucker population is potentially vulnerable to juvenile white bass. These data suggest that addition of vegetation may not be sufficient to significantly decrease the threat of predation to June suckers by juvenile white bass.

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