The most dangerous of all sea creatures, they'll either eat you, send cartilaginous, toothy shrapnel through your vital organs, or just bite off your arm and then blow you up. Nobody knows what evolutionary advantage is attained by exploding when angry, but it sure does hurt.
If the pirañas don't skeletonize you, the man eating exploding sharks sure will.
by Bioguy October 04, 2011
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