Biology

Found in coastal waters, estuaries and lagoons, in clear to turbid water (Ref. 5259, 44894). A diadromous fish, inhabiting rivers before returning to the estuaries to spawn. A protandrous hermaphrodite (Ref. 32209). Larvae and young juveniles live in brackish temporary swamps associated with estuaries, and older juveniles inhabit the upper reaches of rivers (Ref. 6390, 44894). Have preference for cover on undercut banks, submerged logs and overhanging vegetation (Ref. 44894). Feed on fishes and crustaceans. They reach 1500-3000 g in one year in ponds under optimum conditions (Ref. 11046, 44894). Juveniles also eat insects (Ref. 44894). Sold fresh and frozen; consumed steamed, pan-fried, broiled and baked (Ref. 9987). A very popular and sought-after fish of very considerable economic importance (Ref. 9799). Presently used for aquaculture in Thailand, Indonesia and Australia (Ref. 9799). Australia's most important commercial fish and one of the most popular angling species (Ref. 44894).