Many species rely on interspecific interactions during various parts of their life history, including when breeding, acquiring food, and seeking shelter. Here, I make an observation of minnows choosing to associate with one nest-building species over another. I found that when Lepomis megalotis (Longear Sunfish) and L. cyanellus (Green Sunfish) build adjacent nests, minnow nest-associate species were more abundant on the nests of Longear Sunfish. In addition, Longear Sunfish spent more time chasing minnows off their nests than Green Sunfish did. While minnow–sunfish nest-association behavior is well documented, there is little natural history information regarding host preferences. This observation is relevant in setting up hypotheses and formulating questions about these interactions.
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10 December 2024
Nest-Associating Minnows Prefer Occupying Longear Sunfish Nests Over Green Sunfish Nests
Joel B. Corush
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Northeastern Naturalist
Vol. 31 • No. 4
January 2024
Vol. 31 • No. 4
January 2024