Whale Sharks Have Tiny Protective `Teeth` On Their Eyeballs
(World News Science)

Investigations into the eyes of the world`s largest shark have revealed that their eyes are covered in tiny teeth called “dermal denticles”. The discovery, published in the journal PLOS ONE, reveals how the whale sharks use this protective layer to prevent their soft eyeballs from being injured. The whale shark, Rhincodon typus, is the largest fish in the ocean, growing up to 18 meters (60 feet) in length. These gentle giants however feed on...