Overview
The Moorish Idol (Zanclus cornutus) is a advanced saltwater species known for its white, yellow, black bands coloration. Iconic but extremely difficult to keep. Mid.
Origin & Appearance
Origin: Indo-Pacific.
Colors: White, Yellow, Black bands.
Body Shape: Compressiform Tall (disc/tall thin). Typical adult dimensions: 23.0 x 2.8 x 18.4.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | high |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Graceful mid-water cruiser; elegant slow swimming with streaming dorsal filament; constant low-speed movement
Speed: 45/100Aggression: 3/10diurnal
Breeding
Not bred at home
Common Diseases
💊 Ich💊 difficult to feed
Expert Notes
Iconic but extremely difficult to keep; avoid