Celestial Pearl Danio (Danio margaritatus) The Celestial Pearl Danio, also known as the “Galaxy Rasbora,” is a tiny, striking freshwater fish native to Myanmar, admired for its metallic blue body covered in white spots and bright red fins. Peaceful and active, it thrives in planted community tanks, especially in schools, creating a dazzling display of color and movement.
Quick Facts:
Origin: Myanmar
Family: Cyprinidae
Adult Size: Up to 2 cm
Lifespan: 2–4 years
Temperament: Peaceful, active, schooling
School Size: Keep in groups of 6 or more
Tank Level: Mid-level
Diet: Omnivore – high-quality micro-pellets, flakes, live or frozen foods
Water Temperature: 22–26 °C
pH Range: 6.5–7.5
Water Hardness: Soft to moderately hard
Tank Setup: Heavily planted aquariums with open swimming areas and gentle filtration
Compatibility: Excellent for peaceful community tanks
Care Level: Easy to moderate
Notes:
Prefers calm water and dense vegetation to feel secure.
Best displayed in groups to show natural schooling behavior.