🐟 Fangtooth: A Deep-Sea Predator with Extreme Fangs The Fangtooth is a deep-sea fish that lives at depths ranging from 200 to over 2,000 meters, an environment characterized by darkness and extreme pressure. This species is best known for its disproportionately long lower fangs compared to its body size. These fangs are so large that the fish has special sockets in its skull to allow its mouth to close properly. This adaptation enables the Fangtooth to effectively seize prey in low-light conditions. Despite its frightening appearance, it is relatively small, measuring only about 15–18 cm as an adult, and feeds mainly on small fish and crustaceans. As a mid-level predator, the Fangtooth plays an important role in maintaining the balance of deep-sea ecosystems. Its extreme adaptations demonstrate how life can evolve to survive in one of the harshest environments on Earth.