Sympatric speciation in Nicaraguan crater lake cichlid fish

Marta Barluenga, Kai N. Stölting, Walter Salzburger, Moritz Muschick and Axel Meyer ()
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Marta Barluenga: University of Konstanz
Kai N. Stölting: University of Konstanz
Walter Salzburger: University of Konstanz
Moritz Muschick: University of Konstanz
Axel Meyer: University of Konstanz

Nature, 2006, vol. 439, issue 7077, 719-723

Abstract: Going it alone, together One of the hottest controversies in evolutionary biology is sympatric speciation, the formation of new species in the absence of geographical boundaries. The controversy is about whether it happens or not: it ‘should’ in theory but it is difficult to prove it. Two new examples of the phenomenon are reported this week, one in fish and one (online) in plants, convincing evidence that as Darwin suggested, sympatric speciation is likely to be common. The fishy example is the formation of Amphilophus zaliosus from A. citrinellus in a volcanic crater lake in Nicaragua. And in plants, the curly palm Howea belmoreana and the thatch palm H. forsteriana diverged on Lord Howe Island, a volcanic island 480 km east of Australia in the Tasman Sea.

Date: 2006
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DOI: 10.1038/nature04325

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