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Barberfish

Johnrandallia nigrirostris

''Johnrandallia nigrirostris'', the blacknosed butterflyfish or barberfish, is a species of fish in the family Chaetodontidae, the butterfly fishes. It is found in the East Pacific, and it sometimes acts as a cleaner fish....hieroglyph snipped... It is the only member of the genus ''Johnrandallia'', named after the ichthyologist John E. Randall, but in the past it was commonly placed in ''Chaetodon''.
Blacknosed Butterflyfish or Barberfish - Johnrandallia nigrirostris  Barberfish,Blacknosed Butterflyfish,Butterflyfish,Fish,Johnrandallia nigrirostris,Mexico,Socorro

Appearance

This species has a silvery-yellow, compressed body,...hieroglyph snipped... and grows to 20.3 centimetres . It is marked with black bands along the base of its dorsal fin, and on its snout and forehead. It has a small protractile mouth with a black, burglar-like mask around its eyes. ''Johnrandallia nigrirostris'' has brush-like teeth. It is superficially similar to ''Prognathodes carlhubbsi'' and ''P. falcifer'', which also are native to the East Pacific.
Barberfish - Johnrandallia nigrirostris This Barberfish - Johnrandallia nigrirostris do the cleaning when the Scalloped Hammerhead Sharks comes to reef. Barberfish,Cocos Island,Costa Rica,Fish,Geotagged,Johnrandallia nigrirostris,Spring

Distribution

''Johnrandallia nigrirostris'' is found in the Eastern Pacific from the Gulf of California to Panama, including the Cocos Island, Malpelo Island and the Galápagos Islands. It has also been recorded in Peru.
Barberfish Galapagos, Ecuador (2005).  
This butterfly fish has a silvery-yellow, compressed body, and grows to around 20 cm (8.0 in). It has black bands along the base of its dorsal fin, and on its snout and forehead. It has a small protractile mouth with a black, burglar-like mask around its eyes, brush-like teeth.   Ecuador,Geotagged,Johnrandallia nigrirostris,Spring

Behavior

''Johnrandallia nigrirostris'' aggregates in small groups. It is highly active during the day, during which time it feeds. At night, it shelters near to the reef's surface. This species is a kind of cleaner fish. It will remain at cleaning stations where infested fishes come to have various crustaceans and other ectoparasites removed.

Habitat

This species lives at depths ranging from near the surface to 40 metres . It inhabits coral reefs and rocky areas.

Food

This species feeds on crustaceans, molluscs, and algae.

References:

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Taxonomy
KingdomAnimalia
DivisionChordata
ClassActinopterygii
OrderPerciformes
FamilyChaetodontidae
GenusJohnrandallia
SpeciesJ. nigrirostris