Eastern Indian Ocean: Andaman and Nicobar Islands, Thailand, Malaysia, and Java and Sumatra in Indonesia.

Orange with a black blotch below the anterior portion of the soft dorsal fin which varies in size from about twice the eye diameter to almost covering whole posterior half of the body. Juveniles lack the black blotch but have a white bar running just behind the head.

Found in silty coastal waters and protected bays where visibility is often reduced.