Florent's Guide To The Florida, Bahamas &

Caribbean Reefs

Longsnout Butterflyfish
Prognathodes aculeatus
Longsnout Butterflyfish
Category: Butterflyfishes
Scientific Name: Prognathodes aculeatus
Synonyms: Chaetodon aculeatus, Chelmon aculeatus
Size: 2 to 3 in. (5 to 8 cm)  
Depth: 30-200 ft. (10-60 m)
Distribution: Caribbean, Bahamas, Florida, Bermuda, Gulf of America
Chordata (Phylum)
└Vertebrata (Subphylum)
 └Osteichthyes (Parvphylum)
  └Actinopterygii (Gigaclass)
   └Actinopteri (Superclass)
    └Teleostei (Class)
     └Acanthuriformes (Order)
      └Chaetodontidae (Family)
       └Prognathodes (Genus)
        └P. aculeatus (Species)

Disk & Large Oval
Butterflyfishes

Longsnout Butterflyfish

Foureye Butterflyfish

Spotfin Butterflyfish

Reef Butterflyfish

Banded Butterflyfish



All Photographs
© 2025 Florent Charpin