Blacknosed butterflyfish

Blacknosed butterflyfish, Barberfish

Johnrandallia nigrirostris

Chaetodontidae

Unknown 

Adults can grow up to 8 inches or 20.3 cm 

East Pacific from the Gulf of California to the Galápagos. It is usually found in shallow waters in coral reefs and rocky areas

Algae, molluscs and occasionally crustaceans

They like to eat Major seargent fish eggs 

expected to see most of the year