GOBIIDAE Exyrias bellissimus, 7.2 cm SL (photo by Ukkrit Satapoomin) Exyrias bellissimus (Smith, 1959) Barred High-fin Goby D VI+I, 10; A I, 9; P1 18; LR 26-29; PDS 8-9. Body moderately elongate and compressed. Head slightly compressed; jaws subequal; gill opening not extending anteriorly to a vertical through posterior margin of preopercle; tongue rounded. Pelvic fins united medially; frenum present. Scales on head and body ctenoid, exclusive of breast with cycloid scales; snout naked; scaled area on prepelvic region covering anteroventral part of branchiostegal membrane. Sensory canals and pores present on head; longitudinal pattern of sensory papillae on cheek, may be with some short transverse rows of sensory papillae irregularly; uniserial transverse row of sensory papillae just behind chin. Color: head and body dark gray or gray brown with vague dusky mottles; many yellow or pale dots scattered on head and body; dorsal fin with oblique rows of dusky red blotches. Size: 12.0 cm SL. Distribution: Indo-West Pacific. Remarks: found under or near large coral patches in protected bays, lagoons and coral reefs.