Electric Blue Damsel - Central Pacific

Pomacentrus coelestis

(1 Reviews)

Electric Blue Damsel - Central Pacific

Electric Blue Damsel - Central Pacific

Pomacentrus coelestis

(1 Reviews)

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Electric Blue Damsel - Central Pacific Care Facts

Care Level: Easy
Temperament: Semi-Aggressive
Diet: Omnivore
Reef Safe: Yes
Minimum Tank Size: 20 gallons
Max Size: 3 inches

Electric Blue Damsel

The Electric Blue Damsel (Pomacentrus coelestis), also known as the Neon Damsel, is favored for home aquariums due to its hardy nature, vibrant colors, and manageable size. Originating from the Indo-Pacific region, including the Great Barrier Reef, they prefer coral reefs and shallow lagoons with ample hiding spots. Reef safe but potentially territorial, they reach sizes of around 3 inches and can live up to 5 years with proper care. Their diet consists of varied foods like flakes, pellets, and shrimp. Aquacultured specimens are common and preferable. Tank mates should be chosen carefully, considering their somewhat aggressive behavior, but compatible options include Firefish Goby, Ocellaris Clownfish, Green Chromis, Royal Gramma, and Banggai Cardinalfish. For optimal care of Electric Blue Damsels, a minimum tank size of 20 gallons is recommended for a single fish, while a larger tank with ample hiding spots and live rock formations is essential when keeping them in groups to minimize aggression and mimic their natural habitat. Purchasing from Saltwaterfish.com ensures quality specimens and supports sustainable practices in the marine aquarium trade.


Electric Blue Damsels inhabit coral reefs and shallow lagoons, seeking refuge among coral branches and live rock formations.

Reef Safe:

Generally reef-safe, but may display territorial behavior, especially towards small invertebrates. Caution advised with delicate tank mates.

Size and Lifespan:

Typically reaching 3 inches, they can live for over 5 years with proper care in captivity.

Diet in Captivity:

Electric Blue Damsels are omnivores that accept a varied diet including high-quality flakes, pellets, and frozen or live foods like brine and mysis shrimp.

Aquaculture and Availability:

Commonly aquacultured, readily available to hobbyists, preferred for adaptability to captive conditions.

Compatibility with Other Fish and Invertebrates:

Somewhat aggressive, especially towards conspecifics. Choose tank mates able to withstand assertive behavior, such as Firefish Goby, Clownfish, and Chromis species. Compatible tank mates include:

Sexual Dimorphism:

Minimal sexual dimorphism, challenging to distinguish visually between males and females.

Juvenile to Adult Coloration Changes:

Juveniles display bright blue coloration, deepening as they mature, often with a yellow tail in adulthood.


Territorial, may assert in the aquarium. Introduce last when establishing a community, provide hiding spaces to minimize aggression.

Tank Requirements:

Minimum 20-gallon tank for one, larger for groups with ample hiding spots and territories. Incorporate live rock to mimic natural habitat.

Water Conditions:

Maintain stable pH (8.1-8.4), salinity (1.020-1.025), and temperature (74°F to 78°F), with moderate to high water flow.

Other Common Names:

Also known as Blue Devil Damselfish and Neon Damselfish.

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