Sympatric speciation in Nicaraguan crater lake cichlid fish

@article{Barluenga2006SympatricSI,
  title={Sympatric speciation in Nicaraguan crater lake cichlid fish},
  author={Marta Barluenga and Kai N. St{\"o}lting and Walter Salzburger and Moritz Muschick and Axel Meyer},
  journal={Nature},
  year={2006},
  volume={439},
  pages={719-723}
}
Sympatric speciation, the formation of species in the absence of geographical barriers, remains one of the most contentious concepts in evolutionary biology. Although speciation under sympatric conditions seems theoretically possible, empirical studies are scarce and only a few credible examples of sympatric speciation exist. Here we present a convincing case of sympatric speciation in the Midas cichlid species complex (Amphilophus sp.) in a young and small volcanic crater lake in Nicaragua… CONTINUE READING
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