TGIF: Evolution of the Hammerhead

Dr. M (1618 Posts)

Craig McClain is the Assistant Director of Science for the National Evolutionary Synthesis Center, created to facilitate research to address fundamental questions in evolutionary science. He has conducted deep-sea research for 11 years and published over 40 papers in the area. He has participated in dozens of expeditions taking him to the Antarctic and the most remote regions of the Pacific and Atlantic. Craig’s research focuses mainly on marine systems and particularly the biology of body size, biodiversity, and energy flow. He focuses often on deep-sea systems as a natural test of the consequences of energy limitation on biological systems. He is the author and chief editor of Deep-Sea News, a popular deep-sea themed blog, rated the number one ocean blog on the web and winner of numerous awards. Craig’s popular writing has been featured in Cosmos, Science Illustrated, American Scientist, Wired, Mental Floss, and the Open Lab: The Best Science Writing on the Web.





4 comments on “TGIF: Evolution of the Hammerhead
  1. Pat, I was going to say exactly the same thing! Bonnetheads are practically intermediate. And lets not forget winghead sharks, which are even more extreme than hammers. Are they suggesting that all three of those evolved independently as an overnight mutation? I think arguments based on sensory ecology and hydrodynamics are much more compelling.

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