APOGONIDAE Apogon lateralis, 5.1 cm SL (photo by Ukkrit Satapoomin) Apogon lateralis Valenciennes, 1832 Pinstripe Cardinalfish D VI+I, 9; A II, 8; P1 14; LL 24. Body oblong, moderately deep and compressed; lateral line well developed, extending posteriorly to caudal-fin base. Snout moderately pointed. Posterior margin of preopercle serrated. No enlarged caninoid teeth on jaws. Base of anal fin subequal to base of second dorsal fin in length; caudal fin emarginate. Color: body subtranslucent gray; head and belly silvery; an indistinct, narrow black longitudinal line along midlateral body; a minute (smaller than pupil) black spot at caudal-fin base; fins transparent, exclusive of anterodorsal part of first dorsal fin black. Size: 10 cm SL. Distribution: Indo-West Pacific. Remarks: inhabits brackish-water estuaries (especially mangrove areas), shallow protected bays and lagoons; forms aggregations. Randall (2005) placed this species in genus Ostorhinchus, previously treated as subgenus of Apogon.