Scientific name:
Chaetodon lunulatus
Distinctive features:
Pale tail base. Red anal fin. Pale with oblique purplish stripes.
Size:
to 15 cm (6 in.)
The redfin butterflyfish is orange-yellow in coloration and has purple oblique stripes. Its anal fin is reddish in color. Both the base of the anal fin and tail fin are lined with a black band.