Maldives Marine Life

Marine life of Maldivian waters

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Bluespine unicornfish
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Photo: Photo taken by User BS Thurner Hof / Wikimedia Commons, CC BY-SA 3.0 (view on Wikimedia Commons)

Bluespine unicornfish

Naso unicornis

Valid name (FishBase; confirmed in Eschmeyer's Catalog of Fishes and WoRMS, October 2026).

English
Bluespine unicornfish
Scientific
Naso unicornis
Dhivehi
No recorded Dhivehi name
Group
Reef fish
Family
Acanthuridae (surgeonfishes)
Maximum size
Up to about 70 cm (fork length); commonly 50 cm
Depth and habitat
Coral reefs and reef-associated habitats, recorded from 0 to 180 m
IUCN status
LC · Least ConcernLeast Concern (LC), assessed 2010

Description

A large greyish-olive unicornfish with a short bony horn on the forehead in adults that does not extend beyond the mouth, and two bright blue spines on each side of the tail base. It feeds mainly on coarse brown seaweed in channels and on surge-swept reefs, usually in small groups.

In the Maldives

Recorded from the Maldives on the FishBase country checklist (status: present). No Maldives-specific information was found in MRS (1997) or the other sources reviewed, and no Dhivehi name is recorded.

Sources

Dhivehi name source: No Dhivehi name found in MRS 1997 (available chapters), FishBase (country: Maldives) or Dhivehi Wikipedia.