The tiger is the worst of a dozen bad sharks in the
large carcharhinid family, and because of its abundance in tropic and
near-tropic waters, it actually causes more grief than the great white shark.
The lemon shark, distinguished from others of the family by its large second
dorsal, is an infrequent killer, but one found often in popular shallows of the
western Atlantic and Caribbean. The white-tip, a carcharhinid rarely seen
inside the 100-fathom line, is a particular threat to castaways on the Atlantic