GOBIIDAE Istigobius goldmanni, 3.2 cm SL (photo by Ukkrit Satapoomin) Istigobius goldmanni (Bleeker, 1852) Goldman's Goby D VI + I, 10-11; A I, 9; P1 17-19; LR 26-27; PDS 7-9. Body moderately elongate, compressed. Head subcylindrical or slightly depressed; snout rounded, slightly projecting anteriorly beyond upper jaw; lower jaw not projecting beyond upper jaw; gill opening not extending anteriorly to a vertical through preopercular margin. Upper part of pectoral fin with no free rays; pelvic fins united medially; frenum present. Scales on body ctenoid, except for occipital region, breast and pectoral-fin base with cycloid scales; head naked. Sensory canals and pores present on head; longitudinal pattern of sensory-papillae rows on cheek; curved or near transverse sensory-papillae row just behind chin. Color: head and body pale gray, with numerous minute black dots. Size: 4.0 cm SL. Distribution: West Pacific. Remarks: found on sandy bottoms with rubbles in protected bays and tidal estuaries.