Overview
The Copperband Butterflyfish (Chelmon rostratus) is a advanced saltwater species known for its white, copper-orange vertical bands coloration. Eats Aiptasia. Mid to Bottom.
Origin & Appearance
Origin: Indo-Pacific.
Colors: White, Copper-Orange vertical bands.
Body Shape: Compressiform (laterally flat). Typical adult dimensions: 20.0 x 3.0 x 11.0.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 79 gallons |
| Temperature | 75–79°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | medium |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Mid to Bottom |
Behavior & Activity
Slow reef picker; long snout probes into crevices for Aiptasia and worms; deliberate precise movement
Speed: 45/100Aggression: 3/10diurnal
Breeding
Not bred at home; pelagic spawner
Common Diseases
💊 Ich💊 often difficult to feed
Expert Notes
Eats Aiptasia; difficult to feed