Celestial Pearl Danio Care Sheet
IntermediateDanio margaritatus · fish
A tiny, colorful fish ideal for heavily planted nano tanks. Requires stable water parameters and a well-established tank to thrive.
Quick care stats
Adult size0.75-1 inch
Lifespan3-5 years
Min tank size10 gallons
Water temp72-78°F
pH6.5-7.5
Hardness2-10 dGH
Temperamentpeaceful
Group / schoolinggroup of 6+
Tank matesOther small peaceful fish like chili rasboras, dwarf shrimp, and otocinclus.
DietMicro-pellets, daphnia, and brine shrimp; feed small amounts 2-3 times daily.
What you need (full setup)
🔧 10-gallon aquariumProvides stable water volume for a small group.🔧 Sponge or hang-on-back filterGentle filtration to avoid sucking in small fish.🔧 Adjustable heaterMaintain stable temperature within 72-78°F.🔧 Digital thermometerAccurate temperature monitoring.🔧 Fine sand or small gravel substrateAllows natural foraging behavior without injury.🔧 Water conditionerRemoves chlorine and chloramines from tap water.🔧 Liquid test kitMonitor ammonia, nitrite, nitrate, and pH.🔧 Live plants and driftwoodProvides cover and mimics natural habitat.
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Common health issues
- Sensitive to water quality fluctuations
- Stress from small groups or aggressive tank mates
- May be outcompeted for food by larger fish
⚠️ For any sign of illness (not eating, lethargy, swelling, retained shed), see a qualified exotics vet. Care sheets are general guidance only.