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The Food Of Pond Fish In Northern Utah, Robert L. Eberhardt
The Food Of Pond Fish In Northern Utah, Robert L. Eberhardt
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A series of ponds in northern Utah supplied mainly by artesian water was poisoned with rotenone during 1949-50. Four hundred and seventy-three fish were obtained for a food habits study, and of these fish, 423, or 89 percent, had food in their stomachs. The species studied were largemouth bass, green sunfish, common bluegill, and black bullhead. Largemouth bass had the widest variety of diet throughout the year but also had the highest percentage of empty stomachs. Green sunfish and black bullhead had the least diverse food habits. Twenty-nine different food items were recorded; those used most commonly were green sunfish, …