Gillellus chathamensis Dawson, 1977

Cocos sand-stargazer

Body compressed, tapering to tail; head moderate size; eyes not on stalks; tip of lower jaw slightly protruding, rounded at front; lower lips only with skin flaps (4); tubular nostrils; dorsal fin origin on nape, before level of upper corner of operculum, an isolated finlet of III spines at front, then main fin, III + VIII-XII, 30 (28-32); segmented anal rays 34 (33-36); pectoral rays 13 (12-14);tail fin with some  branched rays; lateral line continuous, bends down just under dorsal elements 18-20 (17-21); scales smooth; head, pectoral base and belly scaleless; total lateral-line scales 52 (50-56), scales in straight (posterior) part of lateral line 24 (23-25).