This cannot be emphasized enough - they will eat anything at all. Hungry for some examples? How about license plates, tires, a fur coat, a horse's head, video cameras, a cannonball, and even a full set of steel armor - helmet and all. You name it, it's been found in the belly of a shark.The smallest known species of sharks is the dwarf lanternshark, found only in the underwater continental slopes of Colombia and Venezuela. These little sharks only grow as long as eight inches. Yes, inches.