Caribbean reef sharks, though not among the largest species, are common in the Bahamas and known for their speed, often hunting quick-moving prey like snappers and jacks. Image from Investigation Shark Attack.
Just weeks before World War 2 ends, USS Indianapolis is violently sunk. Nine hundred men go in the water, but no one searches for them. For five days they fight off exposure and shark attacks. It is the worst disaster at sea in US Naval history. Image from Lost Ships of WWII.