The Hawaiian grouper is endemic around which atoll in the North Pacific?
Hawaiian grouper The Hawaiian grouper ("Hyporthodus quernus", formerly "Epinephelus quernus") is a species of marine fish in the family Serranidae. A large inquisitive inhabitant endemic to the Hawaiian Archipelago (most common around Midway and Kure Atoll) and Johnston Island.
Darwin Rise The Darwin Rise is broad triangular region in the north central Pacific Ocean where there is a concentration of atolls.