Tags: Crustacean.
Gandalfus yunohana is a species of crab.G. yunohana is found on hydrothermal vents on the eastern edge of the Philippine Sea Plate south of Japan. It lives at shallower depths than other members of the family Bythograeidae at 420–1380 metres (1380–4530 ft). Because no light penetrates to such depths the eyes of G.