Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in the human mouth. So what are these long, sharp teeth ...

Among lion-tailed macaques ... a jackfruit larger than itself and proceed to tear into it with sharp front teeth. I also saw a young male teetering on two legs as he carried one off to eat ...

If an animal has sharp, pointed teeth like a lion, then it is usually a meat eater. An animal that eats meat is called a carnivore. If it has flat teeth like a horse, then it is usually a plant eater.