How Cichlids Diversify

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Science  02 Nov 2012:
Vol. 338, Issue 6107, pp. 619-621
DOI: 10.1126/science.1224818

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How is genetic variation connected to morphological evolution? How did Earth's spectacular organismal diversity evolve and how is it maintained? To answer these fundamental questions, scientists must understand how organisms function and diversify and how they interact with other organisms and the environment. Recent studies of cichlids, including (17), are beginning to provide insights into the basis of diversification in this exceptionally diverse fish family.