GOBIIDAE Mugilogobius tigrinus, 1.7 cm SL (photo by Ukkrit Satapoomin) Mugilogobius tigrinus Larson, 2001 Narrow-barred Mangrove Goby D VI + I, 6-7; A I, 6-7; P1 14-16; LR 24-28; PDS 9-12. Body moderately elongate and compressed. Head slightly depressed; interorbital space broad; gill opening not extending anteriorly to a vertical through preopercular margin. Some spines of first dorsal fin may be elongate and filamentous; pelvic fins united medially; frenum present. Scales on body ctenoid, excepting those on predorsal area, pectoral base and belly with cycloid scales; head naked, except for upper part of operculum with cycloid scales. Sensory canals and pores absent on head; longitudinal pattern of sensory-papillae rows on cheek; uniserial transverse sensory-papillae row just behind chin. Color: head and body whitish with 4 vertical black bands, in addition to 3 black saddles and single black spot at caudal-fin base; anterior part of first dorsal fin black. Size: 2.3 cm SL. Distribution: Thailand, Malaysia and Singapore. Remarks: found in shallow mangrove creeks and swamps.