Sealife guideThe moorish idolZanclus cornutus

Last updated on 11/25/2024 at 07:17 PM
Taxonomy
  • Common name: Moorish idol
  • French name: Idole maure
  • Spanish name: Ídolo moro
  • Scientific name: Zanclus cornutus (Linnaeus, 1758)
  • Family name: Zanclidae
  • Order name: Acanthuriformes
  • Class name: Actinopterygii
Description
The moorish idol has a laterally compressed, disc-shaped body with a color pattern featuring alternating black, white and yellow bands of varying widths. Its long, threadlike dorsal fin extends gracefully, enhancing its elegance as it swims. Its caudal fin is black with a thin white edge, adding a touch of contrast.
The moorish idol features a long, slender snout with a distinctive yellow-orange saddle-shaped patch
The moorish idol features a long, slender snout with a distinctive yellow-orange saddle-shaped patch
The moorish idol is distinguished by its long, slender snout, marked by a distinctive yellow-orange saddle-shaped patch.
Geographic range
The moorish idol is widely distributed across the tropical and subtropical waters of the Indian and Pacific Oceans. In the Indian Ocean, it is commonly found along the eastern coast of Africa, from the shores of Mozambique and Madagascar to the Red Sea, as well as around the reefs surrounding islands like Réunion, Seychelles, Maldives, Chagos and other islands in the western Indian Ocean basin.
In the Pacific Ocean, the moorish idol is found in the western region, ranging from the Philippines, Papua New Guinea and Australia’s Great Barrier Reef to the islands of Southeast Asia. In the central region, it is seen around the Marshall, Hawaii and Kiribati islands, and in the eastern region, it ranges from the coasts of California to the Galápagos islands.
Habitat
The moorish idol inhabits warm, shallow tropical waters and prefers coral reefs, lagoons and reef slopes at depths of up to about 150 meters, although it is most commonly observed at depths below 20 meters.
The moorish idol is generally a solitary species but occasionally forms small groups of several individuals, though it rarely swims in schools.
Did you know ?
One of the main characters in Disney Pixar's animated film Finding Nemo, named Gill, the leader of the dentist office aquarium gang, is depicted as a moorish idol.
The moorish idol is generally a solitary species but occasionally forms small groups
The moorish idol is generally a solitary species but occasionally forms small groups
Due to their similar morphological features and coloration, the moorish idol is often mistaken for two other species of bannerfish that closely resemble it but are primarily found in schools: the common bannerfish and the schooling bannerfish.
Its widespread geographic distribution and striking appearance make the moorish idol an iconic tropical fish species of coral reefs worldwide.
Discover also
Bermuda chub (Kyphosus sectatrix)
Bermuda chub
(Kyphosus sectatrix)
Cardinalfish (Apogon imberbis)
Cardinalfish
(Apogon imberbis)
Goldlined spinefoot (Siganus guttatus)
Goldlined spinefoot
(Siganus guttatus)
Harlequin sweetlips (Plectorhinchus chaetodonoides)
Harlequin sweetlips
(Plectorhinchus chaetodonoides)
Mimic surgeonfish (Acanthurus pyroferus)
Mimic surgeonfish
(Acanthurus pyroferus)
Queen triggerfish (Balistes vetula)
Queen triggerfish
(Balistes vetula)
Whitebarred goby (Amblygobius phalaena)
Whitebarred goby
(Amblygobius phalaena)
Yellow-edged lyretail (Variola louti)
Yellow-edged lyretail
(Variola louti)
The marine species from Maldives
Eastern triangle butterflyfish (Chaetodon baronessa)
Eastern triangle butterflyfish
(Chaetodon baronessa)
Graeffe's sea cucumber (Pearsonothuria graeffei)
Graeffe's sea cucumber
(Pearsonothuria graeffei)
Leopard flounder (Bothus pantherinus)
Leopard flounder
(Bothus pantherinus)
Maldive anemonefish (Amphiprion nigripes)
Maldive anemonefish
(Amphiprion nigripes)
Titan triggerfish (Balistoides viridescens)
Titan triggerfish
(Balistoides viridescens)
Tropical flounder (Bothus mancus)
Tropical flounder
(Bothus mancus)
Whale shark (Rhincodon typus)
Whale shark
(Rhincodon typus)
Best dive destinations
Hawaii surfing, the birthplace of a Pacific legend
Go surfing in Hawaii
The Hawaiian archipelago, a volcanic gem of the pacific
The Hawaiian archipelago

Our latestUpdates

Batz island
Saturday, November 15th 2025
Batz island
Located in the English Channel off the northern coast of Brittany, just a few kilometers from the town of Roscoff, Batz island is a true little haven of peace where you can enjoy its wild landscapes, unspoiled beaches and historical heritage.
The common sea fan
Friday, November 7th 2025
The common sea fan
The common sea fan, is a type of soft coral found in the warm, shallow waters of the Caribbean and the western Atlantic ocean. It grows in wide, fan-shaped forms that sway gently with the ocean currents, helping it catch tiny food particles drifting by. Its beautiful purple branches are covered by a thin living tissue that hosts tiny algae, which provide much of the coral's energy through sunlight.
The leopard blenny
Thursday, October 30th 2025
The leopard blenny
The leopard blenny is a small reef fish from the Indo-Pacific ocean. It is easily recognized by its spotted coloration, which resembles that of a leopard. It lives on shallow coral reefs, feeds mainly on algae and polyps and skillfully camouflages among the corals to avoid predators.
Photo of the Day
Grand requin marteau (Sphyrna mokarran)
Grand requin marteau
(Sphyrna mokarran)