Habitat: Marine, reef-associated, commonly found over sand, rubble, rocks and seagrass beds. Depth range - 90 m. Natural History Notes: Feed during most of the daylight hours, rooting along in the sand with its barbels, searching for small invertebrates which constitute almost its entire diet. Often congregate in small groups of four to six. Young juveniles often found on beds of seagrass, e.g. Thalassia. Characteristics: A pair of long, simple barbels on the chin. Capable of considerable and rapid changes of color. The pattern usually seen when feeding or sitting is pale and sandy with three darker squarish blotches on the body. May change to blotched or mottled reddish brown when resting. May loose the blotches when swimming and then flash them on immediately upon settling to the bottom. Greenish when in a seagrass bed. Scales of the back with reddish or yellowish brown edges.