GOBIIDAE Oxyurichthys ophthalmonema, 6.7 cm SL (photo by Ukkrit Satapoomin) Oxyurichthys ophthalmonema (Bleeker 1856-57) Eyebrow Goby D VI+I, 12; A I, 13; P1 21-22; LR 51-54; PDS 0. Body elongate, compressed. Head slightly compresed; low raised cutaneous ridge along predorsal midline; a distinct tentacle-like process on dorsal surface of eye; jaws subequal; teeth of each jaw forming uniserial row; gill opening not extending anteriorly to a vertical through preopercular margin. Distal tips of spines of first dorsal fin a little elongate, forming short filaments; pelvic fins united medially; frenum present; caudal fin lanceolate, longer than head. Scales on body cycloid anteriorly, ctenoid posteriorly; head naked. Sensory canals and pores present on head; distinct transverse pattern of sensorypapillae rows on cheek. Color: head and body pale grayish brown, with ca. 5 vague dusky blotches on midlateral body; distal margin of each scale on nape and dorsum more or less dusky; a shadow-like dusky blotch beneath eye; crescent-shaped dusky mark on base of pectoral fin. Size: 7.0 cm SL. Distribution: Eastern Indian Ocean, Andaman Sea and Indonesia. Remarks: found on muddy bottoms in protected bays and tidal estuaries.