Aquarium Forge

Celestial Pearl Danio and Ember Tetra Compatibility

Good MatchMinimum tank for the pair: 10 gallons

Celestial Pearl Danio and Ember Tetra make a good match: temperature ranges overlap at 72–78°F, water chemistry aligns, and neither presents a meaningful behavioural or size risk. Plan on at least 10 gallons. Individual fish vary — observe behaviour during introduction.

Celestial Pearl Danio vs Ember Tetra at a glance

AspectCelestial Pearl DanioEmber Tetra
Adult size~1 in~1 in
Minimum tank5 gal10 gal
Temperature68–78°F72–82°F
pH6.5–7.55.5–7
Temperamentpeacefulpeaceful
Swimming zonemiddlemiddle
Group size6+6+
Care leveleasyeasy

Overlap in temperature: 72–78°F. Overlap in pH: 6.5–7.

Why this verdict

  • Temperature: Shared range of 72–78°F.
  • Water parameters: Shared pH range of 6.5–7.
  • Temperament: Both species are peaceful community fish.
  • Adult size: Comparable adult sizes (~1" and ~1").
  • Swimming zone: Both are middle-dwelling, but peaceful — sharing the layer is fine with cover.
  • Schooling: Group sizes matter: Celestial Pearl Danio: keep at least 6; Ember Tetra: keep at least 6.
  • Tank size: Plan for at least 10 gallons to satisfy both species.

Main risks

No standout risks — a peaceful pairing that works in a settled community tank.

Recommended tank

Plan on 10 gallons or larger for this pair. Suitable sizes: 10 gallon, 15 gallon, 20 gallon High.

Group sizes: Celestial Pearl Danio: keep at least 6; Ember Tetra: keep at least 6.

Sources

  • FishBaseScientific Database · Primary / scientific · https://www.fishbase.se/
  • SeriouslyFishSpecialist Publication · High authority · https://www.seriouslyfish.com/
  • Aquarium Forge editorial guidelinesEditorial Interpretation · Editorial interpretation
  • FishBaseScientific Database · Primary / scientific · https://www.fishbase.se/
  • SeriouslyFishSpecialist Publication · High authority · https://www.seriouslyfish.com/
  • Aquarium Forge editorial guidelinesEditorial Interpretation · Editorial interpretation
  • Aquarium Forge editorial guidelinesEditorial Interpretation · Editorial interpretation

Compatibility verdicts are planning guidance, not guarantees — individual fish vary. Rule version 1.1 · Data reviewed: .

Frequently asked questions

Can Celestial Pearl Danio and Ember Tetra live together?

Our verdict is “Good Match”. Celestial Pearl Danio and Ember Tetra make a good match: temperature ranges overlap at 72–78°F, water chemistry aligns, and neither presents a meaningful behavioural or size risk. Plan on at least 10 gallons. Individual fish vary — observe behaviour during introduction.

What tank size do Celestial Pearl Danio and Ember Tetra need?

Plan for at least 10 gallons so both species have their minimum space — Celestial Pearl Danio needs 5+ gal and Ember Tetra needs 10+ gal. Adding length and cover reduces stress further.

What temperature do Celestial Pearl Danio and Ember Tetra share?

Their comfortable ranges overlap at 72–78°F. Hold the tank near the middle of that band and avoid the extremes of either species' range.

What are the main risks keeping Celestial Pearl Danio with Ember Tetra?

There are no standout behavioural or size risks — the usual care and a settled, well-filtered tank is enough.

How many Celestial Pearl Danio and Ember Tetra should I keep?

Celestial Pearl Danio: keep at least 6; Ember Tetra: keep at least 6. Group sizes matter for shoaling fish — too few and they become stressed and nippy.

Canonical https://aquariumforge.com/compatibility/celestial-pearl-danio/ember-tetra/