Azue Blue Damselfish Chrysiptera hemicyanea

Azure Blue Damselfish (Chrysiptera parasema)

The Azure Blue Damselfish delivers sharp contrast and nonstop movement in saltwater aquariums. This species shows a vivid electric-blue front half with a bright yellow tail and lower body. Native to the Solomon Islands, the Azure Blue Damselfish adapts quickly and thrives in a wide range of conditions, making it a reliable choice for new and experienced reef keepers.

Often grouped with other damsels, the Azure Blue Damsel stands out for its bold coloration and active swimming pattern. It brings constant motion to rockwork zones while maintaining strong resilience in established reef systems.

Natural Color and Behavior of Azure Blue Damselfish

The Azure Blue Damselfish features a clean two-tone split. The head and upper body glow deep blue, while the tail and underside shift into bright yellow. Some individuals show slight variation in how far the yellow extends.

This species moves quickly and claims territory as it matures. The Azure Blue Damsel often darts between rock crevices and open water. In groups, juveniles create dynamic movement, though adults may become more assertive.

Aquarium Setup for Azure Blue Damselfish

A 30-gallon tank or larger supports healthy development. The Azure Blue Damselprefers:

• Rock structures with multiple hiding spots
• Moderate water flow
• Stable reef parameters

Provide caves and break lines of sight to reduce aggression. The Azure Blue Damsel coexists well with semi-aggressive tankmates when space is adequate.

Diet and Feeding Habits

The Azure Blue Damsel accepts a wide range of foods. A varied diet supports color and energy levels:

• Marine flakes or pellets
• Frozen mysis shrimp or brine shrimp
• Occasional dried seaweed

Feed small portions multiple times daily. The Azure Blue Damsel actively hunts suspended food in the water column.

Temperament and Compatibility

The Azure Blue Damsel starts peaceful but becomes more territorial with age. It pairs well with:

• Clownfish
• Wrasses
• Larger gobies

Avoid housing with slow or timid species. In larger tanks, the Azure Blue spreads aggression and behaves more predictably.

Azure Blue Damsel Care Facts

• Scientific Name: Chrysiptera parasema
• Origin: Solomon Islands
• Care Level: Easy
• Temperament: Semi-aggressive
• Diet: Omnivore
• Reef Compatible: Yes
• Maximum Size: 2.75 inches
• Minimum Tank Size: 30 gallons
• Temperature Range: 72–78°F
• pH Range: 8.1–8.4
• dKH: 8–12
• Specific Gravity: 1.020–1.025