The Hawaiian grouper is endemic around which atoll in the North Pacific?
Hawaiian grouper:  A large inquisitive inhabitant endemic to the Hawaiian Archipelago (most common around Midway and Kure Atoll) and Johnston Island. Midway Atoll: Midway Atoll ( ; also called Midway Island and Midway Islands; Hawaiian: "Pihemanu Kauihelani") is a 2.4 sqmi atoll in the North Pacific Ocean at .
Midway Atoll