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BiologyMarine species that may enter lakes (Ref. 4323) and lower freshwater reaches of rivers (Ref. 12915). Adults are coastal inhabitants found on soft bottoms (Ref. 44894). Juveniles are found in brackish mangrove estuaries, sometimes enter fresh water (Ref. 2847, 44894) and tidal creeks (Ref. 44894). Inhabit shallow water over sandy substrates along the coasts and in estuaries (Ref. 12693). Feed on small crustaceans, polychaetes and forams on sand or muddy-sand bottoms (Ref. 12915), worms and insect larvae (Ref. 12693). Salted or made into fish sauce.