Thryssa mystax, the moustached thryssa or Gangetic anchovy, is a species of oceanodromous ray-finned fish in the family Engraulidae.

It is found in the tropical western Indo-Pacific region from India, Sri Lanka to Myanmar and south to Java, and Indonesia.

[1] It is a small schooling fish found in depths up to 50 m (160 ft).

There are 24 to 32 keeled scutes from isthmus[1] to anus on belly region.

^ the fleshy throat region of a fish which extends forward from the ventral part of the chest and narrows anteriorly