As shown ?

The thresher shark family Hemiscylliidae ? （Chiloscyllium cartilaginous fish

Below is ? Chiloscyllium punctatum ? , commonly known as ? Striped Dog Shark, Striped Bamboo Shark

Body cylindrical or slightly flattened; with a bulging ridge on the side of the body; no dermatome on the side of the head. The muzzle is narrow and rounded. Eyes oval, superiorly lateral, without transient membrane. Nostrils inferiorly lateral, nostril margins with short, pointed convex whiskers; with nasal folds; with oro-nasal grooves. Spouting aperture medium-large, approximately equal to eye diameter. Gill slits small, fourth and fifth gill slits overlapping, inner gills without filters. Mouth slits small, ventral, nearly flat. Teeth with central cusp, lateral denticles either present or absent. Dorsal fins 2, small with obtusely rounded upper corners, posterior end concave, lower corners cuspidate, upper lobe of caudal fin slightly upward, upper lobe slightly developed, ventral margin conspicuous; lower lobe of caudal fin low and prolonged, but not prominent anteriorly, notched posteriorly. The body is grayish brown, with no transverse lines or tany-colored spots on the side of the body, except in young fish.

Distributed in northern Australia, Indonesia, the Philippines and the South China Sea. Mainly in coastal coral reefs, often in the intertidal zone, is a small and medium-sized benthic shark. Activity is slow, often hibernating in the seabed near the reef area. Can survive for about 12 hours after leaving the water. Nocturnal. Benthic fish, shrimp, crabs, shellfish, etc. for food.