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Read articles, including Science News stories written for ages 9-14, on the SNK website.
RED FISH, BLUE FISH

Neighboring groups of cichlid fish in Africa’s Lake Victoria appear to be splitting into two species. Females whose vision has adapted to red-lit areas prefer red-colored males, while females in blue-lit areas prefer blue-colored males. This could be the first example of speciation due to changes in sense organs. Credit: Inke van der Sluijs; Ole Seehausen

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