Moorish Idol (Zanclus cornutus)

Fish in the family Zanclidae. Expert care. Not Reef Safe.

Moorish Idol

Quick facts

Scientific nameZanclus cornutus
FamilyZanclidae
Care levelExpert
Reef safetyNot Reef Safe
TemperamentSemi Aggressive
Dietomnivore
Adult size9 in
Minimum tank size120 gallons
Water parametersTemperature: 72-78°F pH: 8.1-8.3 Salinity: 1.02-1.025
Feeding scheduleFeed 2-3 times daily

Appearance

The Moorish Idol is striking with bold vertical black and white bands, a bright yellow dorsal fin, and a distinctive elongated snout. Adults develop a characteristic long, filament-like extension of the dorsal fin.

Diet and feeding

Zooplankton, small crustaceans, mollusks, and fish fry in both wild and aquarium environments

Difficulty and care for the Moorish Idol

Expert - Moorish Idol requires standard marine aquarium maintenance and intermediate fish keeping skills.

Common health issues

Marine Ich, Fin Rot, Swim Bladder Disease, Hole-in-the-head disease, Columnaris

Origin and habitat

Indo-Pacific from the Red Sea to Hawaii, including East Africa, Southeast Asia, and the Great Barrier Reef.

Log Moorish Idol in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Moorish Idol alongside everything else in your reef.