A smaller, slender shark species. Snout long and narrowly rounded or slightly pointed. Eyes moderately large, its length 1.8-2.5% of total length. Gill slits short, length of 3rd 2.8-3.5% of total length and about a third of 1st dorsal base. Rows of anteroposterior teeth in each jaw half 13-14/10-14. Upper teeth with narrow, smooth, moderately high cusps, and crown feet with strong distal and proximal cusplets but no serrations. Lower teeth with oblique, moderately high smooth cusps and transverse roots. Interdorsal ridge absent. Origin of 1st dorsal fin usually over or somewhat anterior to the pectoral free rear tips. Inner margin of 1st dorsal extremely long, about 2/3 of dorsal base. Second dorsal fin small and low, its height 1.8-2% of total length, its inner margin elongated and 2.3-2.4 times its height. Origin of 2nd dorsal well behind anal origin, near anal midbase. Number of total vertebral centra 151-156. Colour grey or grey-brown above, white below.
habitats
A small, common inshore shark species. Viviparous, with a yolk-sac placenta. Litter size 1-2 (usually 2). Maximum size below 100 cm. Males maturing at about 69 cm and females 76-89 cm. Size at birth 45-50 cm.
Distribution
Indo-West Pacific including Kenya, Tanzania, Pakistan, India, Andaman Sea, Burma, Viet Nam, China, Taiwan, New Guinea.