Live Aquaria:  Quality Aquatic Life Direct To Your Door
Free Shipping!
Home > Marine Fish > Damselfish > Neon Damselfish
Neon Damselfish
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
Neon Damselfish (Pomacentrus alleni)
Additional locales and sizes may be available!

Quick Stats

Care Level Easy
Temperament Semi-aggressive
Color Form Blue, Green, Orange
Diet Omnivore
Reef Compatible Yes
Water Conditions sg 1.020-1.025, 72-78° F, dKH 8-12, pH 8.1-8.4
Max. Size 2½"
Origin Indonesia, Sri Lanka
Family Pomacentridae
Lighting High
Minimum Tank Size 30 gallons
Compatibility View Chart
What do these Quick Stats mean? Click here for more information


The Neon Damselfish is also known as Allen's Damselfish and the Allen's Pomacentrus. It was named after Dr. Gerald Allen, the icthyologist who is recognized as the world's authority on damselfishes.

This slender fish is neon blue with a blending of yellow near the bottom of the body down into the anal fin. Pomacentrus coelestis, which is similar in appearance, may also be called the Neon Damselfsih.

It is a semi-aggressive fish that requires hiding places in a 20 gallon or larger aquarium.

The Neon Damselfish diet should include a variety of meaty foods, herbivore preparations, and flaked foods.

Approximate Purchase Size: 1" to 1-1/2"

Customer Testimonials

John K Malibu , CA
For a long time I'd avoided damsels since I'd heard they are aggressive. I've had plenty of chromis (small schools), and while not aggressive, they'd disappear quickly one by one. The last one would then live for quite a long time. But I'd read there are some damsels that aren't so aggressive and I gave the neons, azure and blue sapphires a try. All have been docile, and the stunning neon blue of the Neon's is beautiful (though they do tend to get darker as they age a couple years). The alleni and springeri hold their colors better. Great fish, I've got mine in a mixed reef. Also have a Talbot's, but he's a bit of a jerk to newer fish, though not so bad I've had to pull him. But do try the other 3.
1-1 of 1 testimonials

Bookmark and Share