Species: Lipogramma idabeli, Blue-backed Basslet

Lipogramma idabeli Tornabene, Robertson & Baldwin, 2018

Blue-backed Basslet

Elongate, compressed body; eye large, snout short; mouth at front; teeth on jaws, front and sides of roof of mouth; preopercle edge smooth; opercle with 1 short, flat projection; gill rakers long, 15-35; dorsal fin XI-XIV, 6-10; anal fin III, 6-10; pectorals rounded, 14-19; pelvics I, 5, with 1st ray elongated, sometimes reaching past anal fin base; short rays on upper and lower base of tail fin thick and spiny; no lateral line.

Lower head and body yellowish brown; top of head, nape and front of back bright blue; iris bright blue; shoulder under dorsal fin origin with a large rounded black blotch, ringed in bright blue; dorsal fin bluish, with two rows of yellow spots on spiny part, several rows on soft part; upper body and rear corner of soft dorsal with an ocellus with a yellow, brown flecked center (black in juvenile) and a bright blue outer ring; tail fin translucent yellowish, with pale bluish spots in center; anal fin yellowish, with blue spots; pelvic fins translucent yellowish, with translucent blue rays; pectoral fins translucent.

Reaches ~3 cm

Vertical rock faces on deep reefs

Depth range: 122-165 m

Known only from Roatan.