Florent's Guide To The

Tropical Pacific Reefs

Blue Devilfish
Assessor macneilli
Blue Devilfish
Also known as: Blue Scissortail
Category: Longfins
Scientific Name: Assessor macneilli
Size: Up to 2.25 in. (6 cm)  
Depth: 15-60 ft. (5-18 m)
Distribution: Great Barrier Reef, New Caledonia
Chordata (Phylum)
└Vertebrata (Subphylum)
 └Osteichthyes (Parvphylum)
  └Actinopterygii (Gigaclass)
   └Actinopteri (Superclass)
    └Teleostei (Class)
     └Ovalentaria (Order)
      └Plesiopidae (Family)
       └Assessor (Genus)
        └A. macneilli (Species)

All Photographs
© 2025 Florent Charpin