👉 Arnoldichthys is a genus of marine fish belonging to the family Arnuchthidae, which includes three species: the Arnoldichthys (Arnithid), the Arnoldichthys sp., and the Arnoldichthys chilensis. These fish are native to the waters of Asia, particularly in the Indian Ocean, where they occur in various marine environments such as coral reefs, seagrass beds, and mangroves.