
Illustrative images
Pomacentrus coelestis
The Neon Damselfish, scientifically known as Chrysiptera cyanea, is a popular marine species among aquarium enthusiasts. This small and vibrant fish is known for its stunning blue body with a bright yellow tail, making it a striking addition to any saltwater tank.
Native to the coral reefs of the Indo-Pacific region, including areas around the Great Barrier Reef, the Neon Damselfish thrives in warm, shallow waters. They often inhabit lagoons and reef slopes, where they seek shelter among the corals and live rock.
The Neon Damselfish is considered suitable for aquarists of all skill levels due to its hardiness and adaptability. However, it's important to provide a well-maintained environment to ensure optimal health and longevity.
When setting up a tank for Neon Damselfish, consider including live rock and various hiding spots, as they appreciate places to explore and take refuge. Providing plenty of swimming space is also essential since they are active swimmers. A well-established tank with stable water parameters is crucial for their health.
Neon Damselfish are known to be somewhat territorial, especially towards their own kind, so it's advisable to keep them in groups of at least three or more to minimize aggression. They generally do well with other peaceful species such as small wrasses, gobies, and various invertebrates, but can be aggressive towards smaller fish.
In the wild, their diet consists of zooplankton and smaller crustaceans. In captivity, provide a varied diet of high-quality flakes, pellets, and frozen foods, including brine shrimp and mysis shrimp, to ensure a balanced diet.
With appropriate care, Neon Damselfish can live up to 6-8 years in captivity, making them a long-lasting resident in your aquarium.
Prepare a well-established saltwater aquarium with live rock to provide hiding spots and grazing areas.
Introduce Neon Damselfish to the aquarium gradually to minimize stress and aggression.
Keep water temperature between 22-26°C (72-79°F), salinity at 1.020-1.025 specific gravity, pH between 8.0-8.4, and alkalinity at 8-12 dKH.
Feed a varied diet of meaty and algae-based foods, including spirulina, several times daily.
Observe for signs of aggression, especially towards conspecifics or similarly sized fish, and adjust tankmates accordingly.
Neon Damselfish can grow up to 9 cm in length.
Maintain water temperature between 22-26°C (72-79°F), salinity at 1.020-1.025 specific gravity, pH between 8.0-8.4, and alkalinity at 8-12 dKH.
Yes, Neon Damselfish are considered reef-safe and can be kept in reef aquariums.
A minimum tank size of 75 liters (20 gallons) is recommended for Neon Damselfish.
Neon Damselfish are omnivorous, feeding on zooplankton, benthic algae, and a variety of meaty and algae-based foods.