Pomacentrus coelestis, commonly known as the Blue Damselfish, is a popular choice among marine aquarium enthusiasts due to its vivid blue colouring and robust nature. This species is well-suited for both beginner and experienced hobbyists.
Care Level: Easy to moderate care requirements make Pomacentrus coelestis a reliable addition to a community tank.
Temperament: Typically semi-aggressive, this damselfish can be territorial, especially in smaller tanks. It is best housed with other semi-aggressive or robust species to reduce stress and conflict.
Diet: An omnivorous feeder, Pomacentrus coelestis thrives on a varied diet including high-quality flake foods, frozen mysis shrimp, brine shrimp, and marine pellets. Supplementing with algae-based foods supports optimal health.
Minimum Tank Size: A minimum of 75 litres (20 gallons) is recommended to provide adequate swimming space and reduce territorial disputes.
Lighting and Water Flow: Standard reef aquarium lighting and moderate water flow suit this species well, mimicking its natural reef environment.
Placement: Provide plenty of live rock for hiding and territory establishment. This also encourages natural behaviours and reduces aggression.
Origin: Not Provided.
Maximum Size: Approximately 7 cm (2.7 inches) in length.
Pomacentrus coelestis is generally reef safe with caution; it may nip at small or delicate invertebrates and corals, so monitor interactions carefully.
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