Originating from Southeast Asia, particularly Malaysia, Sumatra, and Borneo, the Brilliant Rasbora (Rasbora einthovenii) thrives in slow-moving streams and heavily planted areas. In aquariums, these Rasbora fish display stunning metallic coloration and shimmering reflections under good lighting. Their graceful schooling behavior and peaceful temperament make them ideal for planted and community aquariums alike.
The Brilliant Rasbora size averages 2.5–3 inches (6–7.5 cm) when fully grown. Their slim, torpedo-shaped bodies are marked by a striking black line that runs from the gill plate to the caudal fin, bordered by shimmering silver and gold hues. When kept in good lighting and with proper care, their red tail spot and iridescent sides create a beautiful, glimmering effect across the tank.
Brilliant rasboras are peaceful schooling fish that thrive in groups of at least six or more. They prefer open swimming spaces combined with planted backgrounds for security. Perfect for community aquariums, they get along well with Tetras, Livebearers, Danios, Corydoras Catfish, dwarf Gouramis, and other non-aggressive species. Their active swimming and peaceful nature make them excellent centerpiece fish for mid-level zones in planted tanks.
At our Splashy Fish tropical fish store, our Brilliant Rasbora for sale and other freshwater fish for sale are carefully selected and packed with love! Visit us to buy them online or at our aquarium store in Virginia for more betta fish for sale, freshwater shrimp for sale, live aquatic plants for sale, and aquarium supplies.
WHAT YOU CAN EXPECT FROM THIS FISH:
- Distinct black line running along a shimmering silver-gold body
- Peaceful schooling fish ideal for community aquariums
- Hardy and beginner-friendly with stunning visual appeal
- Grows to about 2.5–3 inches in captivity
- Perfect for planted or aquascaped tanks
RECOMMENDED TANK PARAMETERS:
- Tank Size: Minimum 20 gallons for a small group
- Temperature: 74°–80°F (23°–27°C)
- pH: 6.0–7.5
- Hardness: 3–12 dGH
- Filtration: Moderate, with clean, well-oxygenated water and gentle flow
CARE GUIDELINES:
- Diet: Omnivorous. Provide high-quality flakes, micro pellets, and supplements with frozen or live foods like brine shrimp, daphnia, and bloodworms to enhance their color and vitality.
- Tank Setup: Include plenty of plants, driftwood, and subdued lighting to bring out their metallic sheen. Open space for swimming is essential for schooling behavior.
- Behavior: Peaceful and social; happiest when kept in shoals of six or more.