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Ingestion of Low Density Food Particles by Suspension-Feeding Goldfish

Edwards, Kristin
Abstract
Goldfish (Carassius auratus) are known to be suspension-feeders that use crossflow filtration to filter out extremely small food particles from the water. In this study, I investigated whether goldfish could feed on low-density food particles and also tried to identify any feeding behaviors or morphological traits that could be involved in this mechanism. I conducted feeding experiments with various novel and familiar food types that were followed up by gut content analysis to confirm ingestion of the low-density particles. I also observed and quantified by counting three behaviors associated with this feeding mechanism and performed statistical analyses to look for any relationships to the type of food being consumed.
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2015-12-01
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Undergraduate Honors Theses
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Honors_Thesis_Kristin_Edwards_Online.pdf
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Sanderson, Laurie
Heideman, Paul
Graves, John
Chambers, Randy
Department
Biology
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https://scholarworks.wm.edu/handle/internal/12755
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