Galpagos island history shapes populations

Barriers to gene-flow control population connectivity, but what barriers exist in the sea? How similar is the connectivity of island marine organisms to those on land? As with many evolutionary questions, the Galapagos is the perfect place to find answers. Max Hirschfeld and Christine Dudgeon discuss their new work with the Galapagos bullhead shark.<br /> Hosted on Acast. See acast.com/privacy for more information.