Bluespine Unicornfish illustration
Species

Bluespine Unicornfish

Naso unicornis
Tier 4Eating6/10light tackleQLDWANT
0 waypoints40–60 cm (max 70 cm) typical

Overview: about bluespine unicornfish

Large tropical reef surgeonfish with a distinctive forehead horn, common on northern Australian outer reef. Caught on bait around reef edges. Watch the dangerous caudal blades.

Biology: Bluespine Unicornfish size, diet & habitat

Habitat
Reef
Typical size
40–60 cm (max 70 cm)
Weight
1–4 kg
Depth range
3–80 m
Diet
algae
Global range
Indo-Pacific

How to target: Bluespine Unicornfish angling strategies

Generally fished with light tackle — match gear to the conditions and the size of fish you expect.

  • small baits around reef

Safety & handling

Ciguatera risk: moderateAvoid eating large specimens from tropical reefs. Risk varies by region and individual fish — when in doubt, release.
In the same waters
  • razor-sharp caudal scalpels

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More information: bluespine unicornfish references & sources