Fangs are long and sharp teeth. A canine is one of the types of teeth inside the jaws of a mammal. The other types are incisors, molars and premolars. A canine can be short and not fang-like as they are in humans due to evolutionary change. Or canines can be long and sharp and fang-like, as in apes, monkeys, and carnivores like dogs, cats, bears, seals and weasels. Fangs are also found in snakes and other animals, even though they do not have canine teeth. .