The Hawaiian blackhead triplefin can be found in a coral reef in which 2.4 square mile area?
Hawaiian blackhead triplefin The Hawaiian blackhead triplefin (Enneapterygius atriceps), also known as the Hawaiian triplefin in Hawaii, is a species of triplefin blenny in the genus "Enneapterygius". It is a tropical blenny found in coral reefs in the Pacific Ocean, from the Hawaiian Islands, French Frigate Shoals, Laysan Island, and Midway Atoll. Blennies in this species swim at a depth range of 1-23 metres, and inhabit dead coral and rock.
Tail-spot wrasse The tail-spot wrasse, "Halichoeres melanurus", is a species of wrasse in the western Pacific from Japan to Samoa and Tonga and south to the Great Barrier Reef. This species is found along rocky shores or on coral reefs at depths from 1 to . It can reach 12 cm in total length. This species is popular for display in public aquaria and can be found in the aquarium trade.