Indian Hindu man in the city of Varanasi, Benares, Northern India

Fire Coral (Millepora alcicornis) with Parrotfish teeth marks on fire coral, Cayman Islands, Caribbean

Giant Moray (Gymnothorax javanicus). Red Sea.

Giant Moray (Gymnothorax javanicus). Red Sea.

Giant Moray (Gymnothorax javanicus). Red Sea.

Galapagos sea lion - Zalophus californianus wollebacki. Galapagos, Pacific Ocean

Giant Moray (Gymnothorax javanicus). Red Sea.

Common dolphin (Delphinus delphis) showing a large number of rake marks on its back inflicted by the teeth of other common dolphins. Hebrides, West coast of Scotland.

Spotted dolphin (Stenella attenuata). The head and body of a spotted dolphin clearly showing teeth mark scars. Caribbean.

Man with Down Syndrome brushing teeth in bathroom

Alligator (Alligator Mississippiensis) Smiling, Silver Springs, Florida, United States Of America