Ornate Butterflyfish (Chaetodon ornatissimus)
Reef compatible, suitable for intermediate aquarists. This peaceful species is ideal for marine tanks with proper conditions.
Key Features:
- Reef compatible – does not pose a threat to corals or invertebrates
- Care level: Intermediate
- Disposition: Peaceful
- Minimum tank size: 50 gallons
- Mature size: Up to 7 inches
| Specification | Value |
|---|---|
| Size (adult) | 3″ to 4″ |
| Species | Chaetodon ornatissimus |
| Compatibility | Reef-safe |
| Behavior | Peaceful |
| Minimum Tank Size | 50 gallons |
FAQ
Is the Ornate Butterflyfish safe to keep with corals?
Yes, the Ornate Butterflyfish is reef compatible and does not harm corals or invertebrates.
What is the expected mature size of this fish?
The mature size of the Ornate Butterflyfish is up to 7 inches.
Is this fish suitable for beginners?
No, this fish requires intermediate care and a minimum tank size of 50 gallons, making it better suited for experienced aquarists.

Elizabeth Lewis –
The fish is vibrant and active in my 75-gallon tank. It doesn’t eat corals and stays calm around other fish. A great addition to a reef setup.
Faith Greene –
Arrived healthy and quickly adapted to the tank. I appreciate that it’s peaceful and doesn’t cause stress to other inhabitants.
Penelope Underwood –
Perfect for a reef tank. The coloration is striking and it’s very active without being aggressive. Only needed a 50-gallon tank as recommended.