The Hawaiian blackhead triplefin can be found in a coral reef in which 2.4 square mile area?
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 . As its name suggests, Midway is roughly equidistant between North America and Asia. Midway Atoll is an unorganized, unincorporated territory of the United States. Midway continues to be the only island in the Hawaiian archipelago that is not part of the state of Hawaii. Unlike the other Hawaiian islands, Midway observes Samoa Time (, i.e., eleven hours behind Coordinated Universal Time), which is one hour behind the time in the state of Hawaii. For statistical purposes, Midway is grouped as one of the United States Minor Outlying Islands. The Midway Atoll National Wildlife Refuge, encompassing 590991.50 acre of land and water (mostly water) in the surrounding area, is administered by the United States Fish and Wildlife Service (FWS). The refuge and most of its surrounding area are part of the larger Papahānaumokuākea Marine National Monument.
Cat Harbor State Marine Conservation Area Cat Harbor State Marine Conservation Area (SMCA) is a marine protected area that includes offshore, island marine habitat at Catalina Island off California's south coast. The SMCA covers .24 square miles. The SMCA protects marine life by limiting the removal of marine wildlife from within their borders. Cat Harbor SMCA prohibits take of all living marine resources except: recreational take of finfish by hook-and-line or by spearfishing, squid by hook-and-line, and lobster and sea urchin is allowed; commercial take of sea cucumbers by diving only, and spiny lobster and sea urchin is allowed. Aquaculture of finfish pursuant to any required state permits is allowed.