New Fins Evolve Repeatedly in Teleost Fishes
Wednesday, March 5, 2014 - 08:01
in Paleontology & Archaeology
A new study analyzing the origins of the adipose fin, thought by some to be vestigial, finds that these fins arose repeatedly and independently in multiple species--a striking example of convergent evolution. Adipose fins also appear to have repeatedly and independently evolved skeleton, offering a glimpse into the evolution of vertebrate appendages.