Bluespine Unicornfish
Naso unicornis
A tropical marine fish with a distinctive horn-like projection and blue spines on the tail, popular in the aquarium trade. They are herbivorous reef fish that feed primarily on algae.
Bluespine Unicornfish at a glance
- Scientific name
- Naso unicornis
- Typical size
- 12-24 inches, 2-8 lbs
- Water
- Saltwater
- Habitat
- Reef
- Rarity in the Fishdex™
- Uncommon
Habitat
Found in coral reefs and rocky areas throughout the Indo-Pacific, typically in depths of 3-180 feet. Not commonly targeted by anglers as they are primarily herbivorous and not considered a food fish, though occasionally caught incidentally while reef fishing.
Catch one and it is yours
Log a bluespine unicornfish through the Cobia Camera and this entry fills in with your photo, your personal best, and the exact conditions on the day. The app also carries the slot and season rules for wherever you are standing.
How the Fishdex™ worksBluespine Unicornfish questions people ask
Bluespine Unicornfish is Naso unicornis.
A typical bluespine unicornfish runs 12-24 inches, 2-8 lbs. Cobia records the length and weight of every bluespine unicornfish you log and keeps your personal best on its Fishdex entry.
Found in coral reefs and rocky areas throughout the Indo-Pacific, typically in depths of 3-180 feet. Not commonly targeted by anglers as they are primarily herbivorous and not considered a food fish, though occasionally caught incidentally while reef fishing. It is a salt water species, filed under reef in the Fishdex.
Yes. Log one through the Cobia Camera and this entry fills in with your own photo, your personal best, and the conditions on the day you caught it. The app also carries the slot limits and season dates for wherever you are standing. It is free.
Tomorrow morning starts tonight
Set your home water, pick a drive radius, and wake up to a plan.
Android coming soon
iPhone, iOS 17 or later. Setup takes about a minute.