Celestial Pearl Danio
Danio margaritatus
Family: Cyprinidae • Origin: Southeast Asia
The Celestial Pearl Danio (Galaxy Rasbora) is one of the most stunning nano fish. Deep blue body covered in pearl-like spots with orange fins.
Min Tank
10 gal
Max Size
1"
Temperature
72-79°F
pH
6.5-7.5
Lifespan
4 years
School Size
6+
Swim Level
middle
Hardness
2-12 dGH
peacefulintermediateomnivoreschooling
Care Tips
- • Shy — provide dense plant cover
- • Males spar but don't injure each other
- • Keep in groups of 6-10
- • Prefers cooler tropical temps
- • One of the most beautiful nano fish
Feeding: Micro pellets, crushed flakes, baby brine shrimp, daphnia.
Compatibility Notes: Shy fish. Keep with other small peaceful species. Males display to each other.
Tank Setup & Water Parameters
Tank Requirements
- Minimum Tank Size
- 10 gallons
- Recommended Tank Size
- 15 gallons
- Swimming Level
- middle
- Minimum School Size
- 6+ fish
Water Parameters
- Temperature
- 72–79°F
- pH Range
- 6.5–7.5
- Hardness (dGH)
- 2–12
- Water Type
- freshwater
Behavior & Temperament
- Temperament
- peaceful
- Aggression Level
- 1/5
- Schooling
- Yes
- Territorial
- No
- Fin Nipper
- No
- Predatory
- No
- Diet Type
- omnivore
- Growth Rate
- slow
Shy fish. Keep with other small peaceful species. Males display to each other.
Breeding
- Breeding Type
- egg layer
- Breeding Difficulty
- moderate
- Lifespan
- 4 years
Ideal For
10 gallonnano tankplanted tank
Compatible Tank Mates
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Neon Tetra
Paracheirodon innesi
70-81°FpH 6-710+ gal
peacefulschooling 6+1.5"
Ember Tetra
Hyphessobrycon amandae
73-84°FpH 5.5-75+ gal
peacefulschooling 8+0.8"
Rummy Nose Tetra
Hemigrammus rhodostomus
75-84°FpH 5.5-720+ gal
peacefulschooling 6+2.5"
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
73-81°FpH 5.5-7.510+ gal
peacefulschooling 6+1.6"
Serpae Tetra
Hyphessobrycon eques
72-82°FpH 6-7.520+ gal
semi-aggressiveschooling 6+1.75"
Black Skirt Tetra
Gymnocorymbus ternetzi
70-82°FpH 6-7.515+ gal
peacefulschooling 5+3"
Similar Species
White Cloud Mountain Minnow
Tanichthys albonubes
57-72°FpH 6-810+ gal
peacefulschooling 6+1.5"
Cardinal Tetra
Paracheirodon axelrodi
73-81°FpH 4.5-6.510+ gal
peacefulschooling 6+2"
Chili Rasbora
Boraras brigittae
72-82°FpH 5-75+ gal
peacefulschooling 10+0.8"
Green Neon Tetra
Paracheirodon simulans
75-82°FpH 4.5-6.510+ gal
peacefulschooling 10+1"