Found in coastal pelagic waters and often observed as entering mangroves and adjacent brackish waters (Ref. 43081). Juveniles and adults may penetrate the upper reaches where mixohaline-mesohaline conditions prevail. Eggs and larvae are found in the lower reaches of the mangroves (Ref. 43081). A schooling species found mostly inshore. Feed on planktonic organisms in coastal waters (Ref. 43081). Juveniles in mangroves feed on larvae of shrimps and fish (Ref. 43081). Confusions in identification make all previous biological studies unreliable. One of the commonest species of Thryssa (if identifications have been correct).