About Ctenochaetus binotatus Randall, 1955
Ctenochaetus binotatus Randall, 1955 has a dorsal fin supported by 8 spines and 24 to 27 soft rays, while its anal fin has 3 spines and 22 to 25 soft rays. The depth of its body is greater than half of its standard length. Adult individuals of this species have a lunate caudal fin. The overall body color is brown; the head and chest are marked with pale spots, and the flanks have horizontal pale lines. The species has blue eyes, and there is a distinct dark spot at the rear axils of both the dorsal and anal fins. The maximum published total length for this species is 22 cm, or 8.7 inches. Ctenochaetus binotatus has a broad distribution across the Indo-Pacific region. Its range extends across the Indian Ocean from the eastern African coast between Kenya and Sodwana Bay, South Africa, all the way to the Andaman Sea, though it is absent from some Asian coasts. In the Pacific Ocean, its range reaches as far east as the Tuamotu Islands and Mangareva, and it occurs across the area between southern Japan and New South Wales. It inhabits areas of coral and rubble, deep lagoons, and seaward reefs, and can be found at depths down to 60 m, or 200 ft.
