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Contact: Kelly Blake
kellyb@umd.edu
301-405-8203
University of Maryland
Caption: The female cichlid fish in Lake Malawi are generally drab and brown (top), making them inconspicuous to predators. Drs. Kocher and Roberts believe that the orange blotch color pattern (bottom) emerged as a new mutation in females, and has a selective advantage in providing an alternative form of camouflage.
Credit: Reade Roberts University of Maryland
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Related news release: Genetic conflict in fish led to evolution of new sex chromosomes
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