Atolls, Benthic, Coastal & inner reefs, Coral, Coral, Coral, Drop-offs, Fringe reefs, Harmless, In groups, Intertidal zone, Lagoons & outer reefs, Lives on host, Reef flats, Reef slopes, Rubble, Salt water, Sea of Japan, Social, Solitary, Symbiosis with, Territorial, Threat_coral, crab, guard, red, red spots, red-spotted, small, species, spotted, tigrina, trapezia |