Species guide
How to catch Bluespine unicornfish
Naso unicornis
The bluespine unicornfish is a striking saltwater species known for its vibrant blue spines and unicorn-like horn. It forms small groups and is mainly active during the day. Juveniles prefer shallow bays, while adults frequent reefs with strong surge.
Where they live
Found in Pacific and Indian Ocean saltwaters, this fish inhabits channels, moats, lagoons, and seaward reefs down to 180 meters, often where there is strong water movement. Juveniles stay in shallow protected bays and harbors.
Typical size
Up to about 70 cm
What they eat
- red algae
- brown algae
- green algae
- various seaweeds
Best baits
- seaweed
- algae-based bait
Best lures
- soft plastic mimicking algae
- light jigs
How to fish for them
- bottom browsing
- light tackle fishing
- reef fishing
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