Article
No evidence for parallel sympatric speciation in cichlid species of the genus Pseudotropheus from north-western Lake Malawi.
Journal of evolutionary biology - 1 Jan 2003
Rico C, Bouteillon P, Van Oppen M J H, Knight M E, Hewitt G M, Turner G F
Abstract excerpt
To test the hypothesis of parallel speciation by sexual selection, we examined length variation at six microsatellite loci of samples from four sites of four to six putative species belonging to two subgenera of rocky shore mbuna cichlids from Lake Malawi. Almost all fixation indices were significantly different from zero, suggesting that there is presently little or no gene flow among allopatric populations or...
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