Toward the
rear of the body of
immature
Koran Angelfish (fig.),
the pattern
of lines forms
semicircles,
which
gave rise to this species' other
common name, i.e. Semicircle Angelfish.
The
pectorial fins are transparent and yellow in
colour, whilst the area around the snout is also
yellowish. As it matures, the greyish-brown body
colour at the centre changes little by little
into yellowish.