Deep-sea crabs are a diverse group of crustaceans that inhabit the ocean's depths, typically found at depths greater than 200 meters. They have adapted to extreme conditions, such as high pressure and low temperatures, and often possess unique features like large claws and specialized gills. Some well-known species include the king crab and the yeti crab, which have distinct appearances and behaviors. These crabs play a vital role in the marine ecosystem, serving as scavengers and predators. They feed on organic matter that falls from the surface, helping to recycle nutrients in the deep-sea environment. Their presence supports the food web, providing sustenance for various deep-sea animals, including fish and sea stars.