Inhabits seaward sand slopes . Found over pebbles . Hovers above the substrate . May occur in small groups .
Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 11. Pale blue-grey with a whitish lateral stripe; light blue to violet spots on the side of the head and nod dark fin markings ; characterized further by having relatively broad first dorsal fin and facate with broad tip; rhomboid caudal fin; longitudinal scale series 24-26; single row of large scales on cheek; three large and 1-2 smaller scales covering opercle; predorsal scales extend to mid-interorbital; fused pelvic fins, forms cup-shaped disc, posterior margin rounded; depth of body 4.3-5.6 in SL .: elongated; Cross section: compressed.
Behavioural data for Colin's fairygoby is currently being reviewed.
Marine; reef-associated; depth range 27 - 82 m . Subtropical
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