Celestial Pearl Danio
Danio margaritatus
Celestial Pearl Danio (Danio margaritatus) — Easy care, Peaceful, under Danio & Minnow. Minimum tank in the app: 9.2 US gal min; aim for 72–79°F and pH 6–8. The Celestial Pearl Danio is ideal for both novice aquarists and seasoned enthusiasts seeking vibrant, active shoalers.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Asia / Europe (varies)
- East & Southeast Asia
Regional colours match the stocking calculator’s origin map.
Celestial Pearl Danio Tank Setup
Aim for a minimum of 35 liters with a mix of open swimming spaces and areas of cover like plants or driftwood. A gentle water flow will suit their natural habitat, and a light substrate enhances their vibrant coloration. Lighting should be moderate to bright, as it brings out their iridescent scales and encourages natural behaviour patterns.
What Do Celestial Pearl Danios Eat?
They are generally quick feeders, so offering a variety of foods including flakes, micro-pellets, and live or frozen foods is beneficial for their health and colour. Ensure all members of the group have access during feeding times to reduce competition and stress, especially in larger groups.
Celestial Pearl Danio Tank Mates
Best kept with other small, non-aggressive species such as rasboras or small tetras. Avoid larger, more boisterous fish that may intimidate them or compete for food. Within their own species, maintaining a group of six or more is essential to prevent stress and establish a social dynamic that minimizes skirmishes.
Are Celestial Pearl Danios Good for Beginners?
In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of keeping them in groups, leading to stress and reduced activity levels. neglecting to provide enough swimming space or cover can result in shy behaviour.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




