Sadly, it is not
uncommon to see wounded sharks in the ocean. These images illustrate some of
the injuries that sharks sustain when they come in contact with humans.
PROPELLER STRIKES AND BOAT COLLISIONS
Large sharks such as whale sharks and basking sharks that
spend much of their time siphoning plankton near the surface, run a constant
risk of being hit by ships propellers. The chances of this occurring
increase dramatically in areas where shark watching tours are conducted.