Blue Damsels (Chrysiptera cyanea) are small, brightly colored marine fish known for their electric blue hue and hardy nature. Popular in marine aquariums.
Scientific Name
Chrysiptera cyanea
Habitat
Found in coral reefs of the Indo-Pacific region, especially in lagoons and outer reef slopes.
Conservation
Not endangered; populations are stable. Wild harvesting for aquarium trade is regulated in most regions.
Lifespan
Typically lives 5–6 years in captivity, potentially longer in ideal conditions.
Fun Fact
Blue Damsels are often used to cycle new marine tanks due to their hardiness and adaptability.
Diet
Omnivorous – feeds on plankton, algae, and small invertebrates.
Average Size
Grows up to 3 inches (7.5 cm).
Location / Placement info
Displayed in the Coastal Reef Exhibit, near the Ocean-View Tunnel
FAQ
What is the lifespan of a Blue Damsel?
They can live for 5–8 years in captivity with good care.
What do they eat?
They are omnivores, eating algae, zooplankton, flakes, pellets, and frozen foods.
Are they aggressive?
Yes, especially males and in smaller tanks — can be territorial.
What is the ideal tank size?
Minimum 20–30 gallons for a single fish or pair.
Do they need a specific environment?
Yes – they prefer live rock, hiding spaces, and stable marine conditions.
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