CHANDIDAE Ambassis macracanthus, 6.3 cm SL (photo by Ukkrit Satapoomin) Ambassis macracanthus Bleeker, 1849 Esturine Glass Perchlet D VII+I, 9; A III, 9; P1 14-15; LL 27-29; LR 27-29. Body oblong, compressed; lateral line continuous. Single supraorbital spine (= posteriorlydirected spine at dorsoposterior margin of orbit); hind margin of preopercle smooth; 2 scale rows on cheek. Color: body semitransparent, beige or greenish yellow dorsally; head and belly silvery; dorsal fins hyaline, exclusive of 2nd spine and membrane between 2nd and 3rd spines of first dorsal fin blackish; caudal fin tinged with yellow, narrowly margined dusky posteriorly. Size: 10.5 cm SL. Distribution: Andaman Sea and West Pacific. Remarks: found in lower reaches of freshwater stream, brackish estuaries and tidal creeks, especially mangroves.