Fangs are bat-like enemies in the Yoshi series.
Fangs made their first appearance in Yoshi's Island. Fangs will wake up when Yoshi is near to them. They can be eaten, stomped or destroyed with an egg.
Super Princess Peach
Fangs made their second appearance in Super Princess Peach. Peach fights them, instead of Yoshi. One sub-species of a Fang is the Glad Fang. It flies faster, like any other Fang. Fangs never sleep in the game.
Yoshi's Island DS
Fangs made their latest appearance in Yoshi's Island DS. They are found in the Airborne Exhibit.