These fish have two red teeth, while their bodies are deep blue. The elongated upper and lower lobes of their tail fins give their bodies a distinctive shape. They can be found in coral reefs and rock reefs at depths of up to 50 m, where they feed on plankton and crustaceans.
- Scientific Name
- Odonus niger
- Order: Tetraodontiformes, Family: Balistidae
- South of Sagami Bay, Indian Ocean, Pacific Ocean