Mart R. Gross
Abstract
Male sunfishes build nests and provide care for eggs spawned therein. It is shown here that small non-nesting male pumpkinseed (Lepomis gibbosus) and bluegill (L. macrochirus) will intrude during conspecific spawnings, to fertilize eggs. Such behaviour cuckolds the males which care for the brood.
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Male sunfishes build nests and provide care for eggs spawned therein. It is shown here that small non-nesting male pumpkinseed (Lepomis gibbosus) and bluegill (L. macrochirus) will intrude during conspecific spawnings, to fertilize eggs. Such behaviour cuckolds the males which care for the brood.
Key concepts: Lepomis, Centrarchidae, Lepomis macrochirus, Biology, Paternal care, Brood, Zoology, Ecology