Species: Microgobius gulosus, Clown goby

Males: Body above midline with 2-3 irregular rows of 8-9 dusky-brown blotches; body pale below midline; pearlescent vertical bar on body behind pectoral fin; head dusky with two oblique pearlescent stripes below eye, meeting at the top corner of the opercle; spinous dorsal-fin dusky with dark blotches on base of membranes over corresponding blotches on body; soft dorsal-fin with four to five dark basal blotches over corresponding blotches on body; anal-fin dusky; tail fin dusky with darker margin, and hyaline sub-marginal stripe; pectoral fins pale, mottled along base; pelvic fins dusky pale. Females: similar to males except; body blotches better defined and contrasted; spinous dorsal-fin with two to three dark blotches on base over corresponding blotches on body; soft dorsal-fin with four to five dark blotches along base over corresponding blotches on body; three irregular row of spots on inter-radial membranes and a dusky distal margin; tail-fin with four to five irregular, diagonal rows of dark spots in upper half, dusky lower half