Thryssa mystax is silver, darker dorsally. There is a distinctive dark blotch behind upper part of gill opening, which can easily identify the species from other "Thryssa" species. Caudal fin is yellowish. It feeds on planktons, fish larva, and small crustaceans like shrimp larva. Thryssa mystax The moustached thryssa ("Thryssa mystax"), also known as 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. It is a small schooling fish found in depth of 0-50m. Maximum length do
Tasmanian whitebait forked with short, although distinct, peduncle flanges. The anal fin is longer than the dorsal fin and begins well posterior to the dorsal fin base. Pectoral fins are long and slender. The fish has a large, clearly visible swim bladder located below the spine just forward of the longitudinal mid-point, and an adipose fin on the dorsal surface above the anal fin. Juveniles and marine adults are translucent, usually with a lateral line not clearly marked by pigment. Fins are generally clear except for small dark spots on the caudal fin. Adults have a silvery mid-lateral stripe. Dark pigmentation increases