Maldives Marine Life

Marine life of Maldivian waters

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Humpback unicornfish
No photo available
Photo: Uxbona / Wikimedia Commons, CC BY-SA 3.0 (view on Wikimedia Commons)Photographed in the Maldives.

Humpback unicornfish

Naso brachycentron

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

English
Humpback unicornfish
Scientific
Naso brachycentron
Dhivehi
No recorded Dhivehi name
Group
Reef fish
Family
Acanthuridae (surgeonfishes)
Maximum size
Up to about 90 cm (fork length)
Depth and habitat
Coral reefs and reef-associated habitats, recorded from 8 to 30 m (usually 15 to 20 m)
IUCN status
LC · Least ConcernLeast Concern (LC), assessed 2010

Description

A large unicornfish with a distinctly humped back; only adult males grow a horn. It is greyish brown with a few small pale spots and reaches about 90 cm. It lives on seaward reef slopes in small groups.

Sources

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