Overview
The Emperor Angelfish (Pomacanthus imperator) is a advanced saltwater species known for its blue, yellow horizontal stripes (adult) coloration. Stunning. Mid.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Blue, Yellow horizontal stripes (adult).
Body Shape: Compressiform (laterally flat). Typical adult dimensions: 40.0 x 6.0 x 22.0.
Sexual Dimorphism: Minimal to moderate.
Tank & Water Requirements
| Min Tank Size | 125 gallons |
| Temperature | 75–79°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | high |
| Oxygen Demand | high |
| Plant Safe | yes |
| Aquarium Position | Mid |
Behavior & Activity
Majestic slow cruiser over reef; confident open-water swimming; territorial but not frantic; stately movement
Speed: 45/100Aggression: 5/10diurnal
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Marine ich💊 HLLE
Expert Notes
Stunning; needs very large tank