Galaxy Rasbora (Danio margaritatus) – A Celestial Gem for Nano Aquariums

The Galaxy Rasbora, also known as the Celestial Pearl Danio, is a stunning nano fish that resembles a miniature galaxy. Its deep blue body is sprinkled with pearly white spots, while bright red-orange fins add a bold contrast. This captivating coloration, combined with its peaceful temperament, makes it a highly sought-after species for planted and aquascaped aquariums.

Native to small, vegetated ponds in Myanmar, the Galaxy Rasbora thrives in well-planted tanks with calm water and stable parameters. When kept in groups, they exhibit natural schooling and social behaviors that add life and beauty to compact aquarium spaces.

Key Features:

• Latin Name: Danio margaritatus

• Common Name: Galaxy Rasbora / Celestial Pearl Danio

• Coloration: Deep blue body with white pearlescent spots and bright red-orange fins

• Temperament: Peaceful, shy, and social in schools

• Size: Up to 0.8 inches

• Tank Requirements: Minimum 5 gallons; densely planted with low to moderate light and calm water flow

• Diet: Omnivorous—micro pellets, crushed flakes, baby brine shrimp, and daphnia

• Compatibility: Best kept with other small, peaceful species; thrives in groups of 6 or more

Tips:

• Use live plants and leaf litter to create hiding spots and mimic their natural habitat.

• Provide a dark substrate and gentle lighting to enhance their colors.

• Maintain pristine water conditions with regular small water changes.

• Avoid keeping with larger or aggressive tank mates.

Why Choose This Fish?
The Galaxy Rasbora is a perfect blend of beauty and tranquility. Its intricate pattern and vivid fins make it a centerpiece in nano tanks, while its easy care and calm demeanor make it ideal for aquarists of all levels. A school of Galaxy Rasboras brings a galaxy of charm to any aquarium.