Reef Butterflyfish

Chaetodon sedentarius

Maximum Size:

6 in (15 cm)


Unknown, but probably around 10 years.

Typical depth:

16–302 ft (5–92 m)


This species is one of the deepest dwelling Caribbean butterflyfish. Reef butterflyfish are most active during the day when they feed on polychaete worms and small crustaceans. They particularly like to eat the eggs of sergeant majors.


Barracuda, grouper, snapper and moray eels.

Did you know?

Like many members of this family, the color and pattern of the reef butterflyfish aim to disguise the fish’s head in an attempt to confuse potential predators.