Description
A small, vibrant damselfish with a bright blue body and a striking yellow tail. Clean, simple coloration makes it one of the most popular beginner marine fish. Unlike many damsels, it has a relatively calmer temperament and adapts well to community reef tanks.
Lighting
Low to strong lighting
(Highly adaptable; colors appear more vivid under stronger lighting)
Placement (Aquarium Zone)
Mid to lower reef zones
Prefers rockwork with hiding spots but will swim actively in open areas
Temperature
24–28°C (75–82°F)
Salinity
1.020–1.025 SG
pH
8.1–8.4
Alkalinity
8–12 dKH
Diet
Omnivore
Mysis shrimp
Brine shrimp
Flake and pellet foods
Zooplankton-based foods
Adult Size (up to)
~5–6 cm (2–2.5 inches)
Care Level
Beginner
(Very hardy and easy to maintain)
Compatibility
Peaceful to semi-aggressive (milder than most damsels)
Suitable for community reef tanks
Reef-safe (does not harm corals or invertebrates)
Can be kept singly or in small groups (with space and introduction planning)
Compatible with most peaceful to semi-aggressive fish

