Cichlid fish from a tiny volcanic crater lake in Africa have been caught in the act of sympatric speciation, whereby a new species evolves when there is no geographic barrier to physically separate the new species from the old. The study, led by the Wellcome Trust Sanger Institute and co-authored by the University of Bristol, is published today in Science.

Cichlid fish from a tiny volcanic crater lake in Africa have been caught in the act of sympatric speciation, whereby a new species evolves when there is no geographic barrier to physically separate the new species from the old. The study, led by the Wellcome Trust Sanger Institute and co-authored by the University of Bristol, is published today in Science.

Read more at: http://phys.org/news/2015-12-darwin-puddle-species-emerge-geographic.html#jCp