Blue Unicornfish
Naso caeruleacauda
Max Size
See in AppMax Weight
See in AppMax Depth
45 m
Other names: Bluetail Unicornfish.
Description
Brown oval-shaped body, blue tail with straight (or near-straight) rear margin, and pointed head profile in front of eye. Often with a white patch on tail base.
Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 28-30; Anal spines: 2; Anal soft rays: 29. No narrow dark bars on body. Caudal fin blue in life. Dorsal profile of head from above upper lip to above centre of eye straight. Anterior interorbital region and adjacent space between nostrils strongly convex. Body depth 2.75 to 2.8 times in SL.
N. hexacanthus (Sleek Unicornfish) has dark oblique bar on operculum, and N. caesius (Silverblotched Unicornfish) has more rounded head profile in front of eye.
Distribution
Western Central Pacific: Philippines and Indonesia
Habitat
Found in schools, mainly along outer reef walls to moderate depths in pursuit of plankton, usually below 15 m.
Colors
Social Behaviour
Group
Conservation status
(LC) Least concern
Poisonous
See in SeabookDanger to human
See in SeabookVenomous
See in SeabookSimilar Species
Frequently Asked Questions
Is Blue Unicornfish dangerous?
Blue Unicornfish is classified as: No, No, No. Always exercise caution and keep a safe distance.
Where can you find Blue Unicornfish?
How deep does Blue Unicornfish live?
Blue Unicornfish can be found at depths of up to 45 meters.