A large black spot is set above the upper edge of the gill cover.

Dark spots radiate from around the eyes into the gill cover and snout.

The body scales are large and the front gill cover is finely toothed.

The spot on the gill cover is present, but not clearly defined and not edged in blue or red.

Their gill covers have no spines and are covered with small scales.

Queen angelfish are also known to have blue markings around each gill cover.

They also have a distinctive black spot on the hind border of the gill cover.

The linear area from the gill cover, the eye, and the mouth has a characteristic brief stripe.

The gill cover should figuratively extend quite far towards the tail.

The headgrowth should seem to begin from the bottom of the gill cover and move upward.