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1 December 2002 Alternative Mating Tactics in Sunfishes (Centrarchidae): A Mechanism for Hybridization?
Martin J. Jennings, David P. Philipp
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Lepomis hybridization occurs frequently in natural systems. Previous investigations of sunfish hybridization have focused on courtship behavior of interspecific pairs. We observed spawning in Lepomis nesting colonies where interspecific nest intrusions occurred. Nesting male Lepomis microlophus (redear sunfish) attempted to fertilize eggs in the adjacent nests of spawning Lepomis megalotis (longear sunfish). Male sunfish commonly employ this reproductive tactic in the nests of conspecifics. When colonies contain more than one species, hybridization may occur through interspecific nest intrusion by males on adjacent nests.

The American Society of Ichthyologists and Herpetologists
Martin J. Jennings and David P. Philipp "Alternative Mating Tactics in Sunfishes (Centrarchidae): A Mechanism for Hybridization?," Copeia 2002(4), 1102-1105, (1 December 2002).[1102:AMTISC]2.0.CO;2
Received: 5 December 2000; Accepted: 19 May 2002; Published: 1 December 2002
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