Pintail Fairy Wrasse (Cirrhilabrus isosceles) – XL Size (3.25″ approx)
Reef Compatible: Yes
Care Level: Intermediate
Disposition: Peaceful
Minimum Tank Size: 75 gallons
Mature Size: 5 inches
The Pintail Fairy Wrasse is a vibrant and graceful addition to established reef aquariums. Males display striking coloration with elongated tail filaments, while females show more subtle hues. This peaceful fish thrives in tanks with plenty of swimming space and live rock for grazing. They feed on small crustaceans and zooplankton, making them excellent for controlling parasites. Hardy and adaptable once acclimated, they prefer gentle tank mates and moderate to strong water flow. Best kept singly or in pairs.
| Specification | Detail |
|---|---|
| Species | Cirrhilabrus isosceles |
| Size (approx) | 3.25 inches (XL) |
| Adult Size | 5 inches |
| Water Flow | Moderate to strong |
| Feeding | Small crustaceans, zooplankton |
| Compatibility | Peaceful; best with established reef tanks |
FAQ
What is the mature size of the Pintail Fairy Wrasse?
The mature size of the Pintail Fairy Wrasse is 5 inches.
Is this fish suitable for a beginner reef tank?
No, this fish is best suited for intermediate reef keepers due to its care level and need for a minimum 75-gallon tank.
Does the Pintail Fairy Wrasse require specific tank mates?
It prefers gentle tank mates and is best kept singly or in pairs with peaceful, established reef species.

Jack Parsons –
Added a male Pintail Fairy Wrasse to my 80-gallon reef tank after a few months of setup. The colors are vivid and it’s very active. It’s peaceful and doesn’t bother other fish. Feeds well on copepods and small crustaceans. Great addition to a mature reef.
Max Alsop –
Bought this for my intermediate reef. The fish has adapted well and is now a regular sight swimming through the rock. Tail filaments are quite noticeable. I feed it daily with zooplankton and it seems to be thriving.
Liam Hart –
After a few weeks, the fish settled in nicely. It’s not aggressive and doesn’t chase other fish. The coloration is beautiful, especially in the light. I keep it alone to avoid any potential stress from pairing.