Headbuttin' Bumphead Parrotfish

[YouTube Cli...  ...Tube Clip] Biologists think that the giant bumphead parrotfish use their big, bumpy head to break cora...  ...cience wrote: While watching the parrotfish at Wake Atoll, in the middle of the P...

http://www.neatorama.com/2012/06/11/headbuttin-bumphead-parrotfish/