Holocanthus semicinctus Waite, 1900 The halfbanded angelfish (Genicanthus semicinctus) is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae.

The males are marked with thin close-set wavy black, vertical bars which run from the back to two-thirds down the flanks with the lower third of the body being yellowish-orange.

[2] Genicanthus semicinctus is found in the southwestern Pacific Ocean.

[1] it is found on the deep outer slopes of coral and rocky reefs.

[3] Genicanthus semicinctus was first formally described as Holocanthus semicinctus in 1900 by the British-born Australian ichthyologist Edgar Ravenswood Waite (1866–1928) with the type locality given as Lord Howe Island.