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
Indo-Pacific blue marlin 23 rays, are falcate and flexible, and can be drawn in to the sides of the body. Nape is higtly elevated. The upper jaw forms a robust but not very long beak, round in cross section. Caudal peduncle shows strong double keels on each side. Body color is blue-black dorsally and silvery white ventrally, sometimes with light blue vertical stripes. Spawning takes place during summer in both the Indian and Pacific oceans. In the southern hemisphere, spawning probably occurs around French Polynesia. "Makaira mazara" is a highly migratory species. These marlins use their bill for inflicting wounds on their prey.