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
Longnose trevally white spot at the base. The caudal and pectoral fins are pale to dusky yellow. Large adults often exhibit very dark head and fin colouration, nearing black. These fish are perhaps exhibiting mating or spawning colouration. The longnose trevally inhabits tropical to subtropical waters in the Indian and west Pacific Oceans, ranging from South Africa and Madagascar, north to the Red Sea and Persian Gulf, east to India, South East Asia, Indonesia, Japan and to Fiji. The longnose trevally has been reported from many west Pacific islands, indicating that it is widespread in this region. The species ranges as far