Social control of maturation is a common phenomenon in fishes, yet associated mechanisms are often unidentified. An examination of interactions between mature and juvenile male bluegill Lepomis macrochirus in mesocosms, isolating visual, chemical and physical interactions, suggested that chemical cues are responsible for inhibiting maturation of juvenile males.
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Document Type: Research Article
Program in Ecology and Evolutionary Biology, University of Illinois, Champaign, IL 61820, U.S.A. and Center for Aquatic Ecology, Illinois Natural History Survey, 607 East Peabody Drive, Champaign, IL 61820, U.S.A.
Publication date: 2003-02-01