Genetic analysis of cichlid fish in Nicaraguan lakes reveals a possible case of repeated sympatric speciation: the creation of two species from one in the same environment.
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Kirkpatrick, M. Fish found in flagrante delicto. Nature 408, 298–299 (2000). https://doi.org/10.1038/35042651
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DOI: https://doi.org/10.1038/35042651
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