Distinctive Characters: Long caudal fin, about half the total length. Small barbells on either side of small mouth. First dorsal set well back and much larger than second. Prominent ridges on sides of body.
Colour: Adults pale brown with dark spots. Juveniles dark brown with vertical yellow stripes.
Habitat and Biology: Found on coral reefs. A rather sluggish shark. Strictly nocturnal; feeds on molluscs, sea snakes, crustaceans and fish. Oviparous.