CHANDIDAE Ambassis interruptus, 4.5 cm SL (photo by Ukkrit Satapoomin) Ambassis interruptus Bleeker, 1852 Longspined Perchlet D VII + I, 9-10; A III, 9-10; P1 14-16; LL 11-13 + 9-13; LR 27-28. Body deep, compressed; lateral line interrupted at midway, anterior and posterior series with 11-13 and 9-13 scales, respectively. Single supraorbital spine (= posteriorly-directed spine at dorsoposterior margin of orbit); hind margin of preopercle smooth; 2 scale rows on cheek. Color: body semitransparent, beige 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 or yellowish orange, narrowly margined dusky posteriorly. Size: 9 cm SL. Distribution: Indo-West Pacific. Remarks: found in brackish estuaries and tidal creeks, especially mangroves.