Blackwedged Butterflyfish (Chaetodon ulietensis)
Reef compatible – Suitable for marine reef tanks
Care level – Intermediate
Disposition – Peaceful
Minimum tank size – 75 gallons
Mature size – 6 inches
| Specification | Detail |
|---|---|
| Size | XXL / 5 inches and above |
| Species | Chaetodon ulietensis |
| Compatibility | Reef-safe |
| Behavior | Peaceful |
FAQ
Is this butterflyfish suitable for a small tank?
No, a minimum tank size of 75 gallons is required for proper health and behavior.
Does this fish grow larger than 6 inches?
No, the mature size is 6 inches. Growth beyond this size is not typical.
Can this fish live with other reef fish?
Yes, it is reef compatible and generally peaceful, making it suitable for cohabitation with other reef species.


Michelle Parr –
The blackwedged butterflyfish is active and colorful in my 75-gallon tank. It doesn’t stress other fish and has adapted well to the reef environment. Easy to spot and adds a nice visual element to the display.
Elizabeth Blake –
I’ve had this fish for three months now. It’s peaceful and doesn’t chase smaller fish. The coloration is vibrant, and it’s a great addition to a reef setup.
Jasmine Manning –
Perfect for intermediate reef keepers. It’s hardy and stays calm even when other fish are around. The size is within expectations, and it looks stunning in the tank.