Florent's Guide To The

Tropical Reefs

Blacknosed Butterflyfish
Johnrandallia nigrirostris
Blacknosed Butterflyfish
Also known as: Barberfish
Category: Butterflyfishes
Scientific Name: Johnrandallia nigrirostris
Synonyms: Chaethodon nigrirostris
Size: Up to 5 in. (12 cm)  
Depth: 10-70 ft. (3-21 m)
Distribution: Gulf of California, Pacific Coast of Panama
Chordata (Phylum) Chordates
└Vertebrata (Subphylum) Vertebrates
 └Osteichthyes (Parvphylum) Bony Fishes
  └Actinopterygii (Gigaclass) Ray-Finned Fish
   └Teleostei (Class) Teleosts
    └Acanthuriformes (Order)
     └Chaetodontidae (Family) Butterflyfishes
      └Johnrandallia (Genus)
       └J. nigrirostris (Species)
WoRMS ID: 281202🔗
iNaturalist ID: 85124🔗

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© 2026 Florent Charpin