Celestial Pearl Danio
IntermediatePeacefulSchooling

Celestial Pearl Danio

Danio margaritatus

Family: Cyprinidae

🌿By Mr. WangUpdated Dec 2025

Also known as Galaxy Rasbora, these stunning nano fish feature a dark blue body covered in pearl-like spots. Males display vibrant red fins.

10G+
Min Tank Size
1"
Max Size
3+
Years Lifespan
73-79
°F Temp Range

Water Parameters

Temperature

60°F73 - 79°F100°F

pH Level

5.06.5 - 7.510.0

Hardness (dGH)

02 - 10 dGH30

Care Tips

Shy fish that need plenty of plant cover. Males can be territorial - provide adequate space. Thrive in heavily planted tanks.

Feeding

Micro predator. Feed small foods like crushed flakes, micro pellets, baby brine shrimp, and daphnia.

Breeding

Scatter eggs among fine-leaved plants. Males display to females. Relatively easy to breed with proper conditions.

📚 Sources: Care parameters based on SeriouslyFish, FishBase, and Aquarium Co-Op. Personal observations from the author's 5+ years of fishkeeping experience.

Tank Size Compatibility

5 Gallon
Too Small
10 Gallon
Suitable
View 10 Gallon Guides →
20 Gallon
Suitable
View 20 Gallon Guides →
40 Gallon
Suitable
View 40 Gallon Guides →

Best Aquascaping Styles for Celestial Pearl Danio