Common name: Blue star
General information
Allen's Damselfish, scientifically known as Pomacentrus alleni, is a small and vibrant member of the Pomacentridae family. This species is admired for its striking blue coloration and active demeanor. It is a hardy fish that adapts well to life in captivity, making it a suitable choice for both novice and experienced aquarists.
Details
- Recommended minimum tank volume
- 100 liter (26 gallons)
- Salinity
- S.G. 1.020 to 1.025
- Temperature
- 24 to 27 °C (75 to 81 °F)
- Acidity
- pH 8.1 to 8.4
- Average size
- 8 cm (3″)
- Care level
- Moderate to easy Adaptable, but needs hiding spots
- Diet
- Omnivore Varied diet, accepts flakes and frozen
- Social
- Harem Best in groups, with more females
- Reefsafe
- Yes
- Aggression
- Semi aggresive May be territorial
- Captive bred
- Yes Bred in home aquariums
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderPerch-like FishesPerciformes
- FamilyDamselfishPomacentridae
- GenusDamselfishPomacentrus
- SpeciesBlue starPomacentrus alleni Burgess, 1981
Care
Allen's Damselfish requires an aquarium with plenty of live rock for hiding and territorial establishment. They are omnivorous and will accept a variety of foods including frozen, flake, and live offerings. It's important to maintain high water quality and stable parameters to keep these fish healthy.
Reproduction
In the wild, Allen's Damselfish are known to be egg-layers, with the male guarding and tending to the eggs until they hatch. Breeding in captivity can be challenging but is possible with the right conditions and a well-established pair.
Habitat
Native to the Western Pacific, Allen's Damselfish can be found in coral-rich areas and lagoons. They prefer environments with strong water movement and are typically found at depths where reef structures provide ample shelter and feeding opportunities.