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
Selene setapinnis Atlantic moonfish have a faint spot on the base of their pectoral fins. They have a silvery or metallic blue color with a yellowish caudal fin. The dorsal and caudal peduncle regions are lined with a dark edging. Adults feed on small fish and crustaceans. Atlantic moonfish can be found in schools at the bottoms of inshore waters. Juveniles can be found on muddy bottoms of brackish waters. Their depth range is 0-55m and they prefer subtropical regions. Western Atlantic: Nova Scotia, Canada, along coasts of Gulf of Mexico and South America, Argentina. Replaced by "Selene dorsalis" in eastern Atlantic.