Fish is famous as a demersal fish that live soliter with slow movement. The fish is characterized by the shape of the mouth is slightly down and there is a tent which is located on the canvas used to palpate in the quest for food. The characteristics of fish according to kurisi is small, slim and solid body. Terminal mouth type with longitudinal teeth longitudinal and canine teeth on the upper jaw (sometimes also on the lower jaw). The front of the head is not scaly. Scales starting from the front edge of the eye and the gill lid.
The body shape of the curly fish is the elongated body, the terminal mouth shape and the nostrils located on either side of the muzzle, adjacent to each other. The upper and lower jaws are almost the same size as the lower jaw. In both jaws there are rows of cone-shaped teeth namely canin teeth and viliform teeth. In addition, the kurma fish has 7-8 bones of the gill filter on the upper curve and 15-18 bones of the gill filter on the lower arch, totaling 22-26 bone of the gill filter.