Species: Chromis cf. enchrysura, Cobalt chromis, Whitetail reeffish, Whitetail Reeffish Chromis

Chromis cf enchrysura

Cobalt chromis, Whitetail reeffish

Body compressed, a deep oval; 1 pair of nostrils; edge of bone under eye smooth, no notch, hidden by scales; preopercle smooth or with occasional fine serrations; mouth small, protrusible, opens at front; teeth in 2 rows, outer conical, larger; a single continuous dorsal fin XIII, 11-13; anal fin II, 11-13; pectoral 17-19; 2-3 short projecting spines at upper and lower base of tail fin; caudal fin deeply forked, with rounded tips, elongate rays from tips; scales large and rough; body scaled, most of head scaled, basal parts of the median fins scaled; lateral line incomplete, ends under end of dorsal fin base; lateral line scales 15-19.

Adult: Upper head and body and spinous dorsal fin dark blue-grey, lower parts and tail base white; an electric blue stripe from top lip, through upper edge of eye to under front 1/3 of dorsal fin; a blue line from mouth, curving along underside of eye back to above pectoral base; soft dorsal, tail, anal and pelvic fins white.

Reaches 10 cm.

Outer edges of reefs.

Depth range: 70-178 m.

Bermuda  to Brazil.

Note: closely related to but genetically distinct from C. enchrysura, which has a different color pattern and a different geographic range.