Princess Damselfish (Pomacentrus vaiuli)
Reef Compatible: Yes
Care Level: Beginner
Disposition: Aggressive
Min. Tank Size: 30 gallons
Mature Size: 4 inches
| Specification | Detail |
|---|---|
| Scientific Name | Pomacentrus vaiuli |
| Reef Compatibility | Yes |
| Difficulty Level | Beginner |
| Adult Size | 4 inches |
| Minimum Tank Size | 30 gallons |
| Behavior | Aggressive |
FAQ
Is the Princess Damselfish suitable for a beginner aquarium keeper?
Yes, it is considered a beginner-friendly species due to its manageable care requirements. However, its aggressive nature requires careful tank planning and compatible tank mates.
Can Princess Damselfish coexist with other reef fish?
Yes, it is reef compatible, but it is aggressive and may attack smaller or more timid fish. It should not be housed with species that are too small or slow-moving.
What is the typical mature size of a Princess Damselfish?
The mature size of a Princess Damselfish is approximately 4 inches.


Evan Morrison –
I bought this damselfish for my 30-gallon reef tank. It’s active and colorful, though it does chase smaller fish. I made sure to keep it with larger, bold fish. It’s a good addition to a beginner’s setup as long as tank mates are chosen carefully.
Robert Turner –
The fish arrived healthy and looks vibrant. It’s aggressive, so I didn’t keep it with any small shrimp or gobies. It’s a striking addition to the tank and stays active throughout the day.
Leah Nash –
It’s a bit aggressive and I had to remove a small snail that it attacked. I’m okay with it as long as I don’t have tiny or slow-moving fish in the tank. Overall, it’s a decent choice for a reef tank with proper planning.