CheckMyFishTank

Celestial Pearl Danio care

Danio margaritatus · Freshwater · Intermediate level care

Celestial Pearl Danio, painted illustration

A tiny, jewel like fish that likes calm, planted tanks.

Smallest tank10 gallons
Adult size1 inches
Temperature72 to 78°F
pH6.5 to 7.5
GroupA group of 6 or more
TemperamentPeaceful
SwimsMiddle of the tank
Lives3 to 5 years
Watch for: They are shy, and big tankmates will steal their food.

Feeding

Twice a day. A small pinch they finish in about 2 minutes. Micro pellets, baby brine shrimp, crushed flakes.

Good tank mates

Fish that pass every check with Celestial Pearl Danio in a 40 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.

Black Neon TetraBlack Phantom TetraBlack Ruby BarbBlack Skirt TetraBoesemani RainbowfishBrilliant RasboraBristlenose PlecoBronze CorydorasCherry BarbDiamond Tetra

Do not mix with

  • Silver Dollar: Silver Dollar grows big enough to eat Celestial Pearl Danio.
  • Tinfoil Barb: Tinfoil Barb grows big enough to eat Celestial Pearl Danio.
  • Paradise Fish: Paradise Fish grows big enough to eat Celestial Pearl Danio.
  • German Blue Ram: German Blue Ram and Celestial Pearl Danio need different water temperatures.
  • Angelfish: Angelfish grows big enough to eat Celestial Pearl Danio.
  • Discus: Discus and Celestial Pearl Danio need different water temperatures.
  • Convict Cichlid: Convict Cichlid grows big enough to eat Celestial Pearl Danio.
  • Oscar: Oscar grows big enough to eat Celestial Pearl Danio.

Questions

What size tank does a Celestial Pearl Danio need?

At least 10 gallons for a group of 6. Adults grow to about 1 inches, so plan for the adult size, not the size at the store.

What temperature does a Celestial Pearl Danio like?

72 to 78 degrees Fahrenheit, with a pH of about 6.5 to 7.5. A steady temperature matters more than hitting one exact number.

How many Celestial Pearl Danio should I keep together?

Keep 6 or more. They feel safe in a group and show better color and behavior.

What do Celestial Pearl Danio eat?

Micro pellets, baby brine shrimp, crushed flakes. Feed twice a day: a small pinch they finish in about 2 minutes.

Sources

Checked against these sources on 2026-11-10. When sources disagree we use the safer number.