News From the Field
Jump in Communication Skills Led to Species Explosion in Electric Fish
April 28, 2011
The Mormyridae, a family of African fish that communicate by means of weak electric discharges, has more than 200 species. New work shows the fish evolved a complex signal-processing brain before a burst of speciation. Together with other evidence, the finding suggests brain evolution triggered diversification.
Washington University in St. Louis
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