Adept at color change. Most common phase is brown to reddish brown; can be blue-gray, bright yellow or many shades between. Have pale lines, scattered small black spots, and a black streak on upper jaw.
Blue-green with lavender shades, terminal phase often has dark blue cap on the forehead. Initial phase is gray-brown with no distinguishing marks.
Green with bright orange mid-body stripe, blue lines on head and back. Initial phase are gray-brown with yellow spot above pectoral fin. Endemic to Hawaii.
