The Neon Blue Rasbora (Sundadanio axelrodi), also known as the Blue Neon Rasbora, Blue axelrodi Rasbora, or simply Blue Rasbora, is one of the most stunning nano fish in the freshwater hobby. With their shimmering electric-blue bodies and peaceful schooling behavior, Neon Blue Rasboras are perfect for planted aquariums and community setups. Their compact size, vibrant glow, and lively activity make them a must-have for aquascapers and nano tank enthusiasts. Native to the peat swamps and blackwater streams of Indonesia, the Rasbora axelrodi is a prized member of the Rasbora family. Their iridescent blue sheen catches light beautifully, especially against a backdrop of driftwood and live plants. Despite their delicate appearance, Blue Neon Rasboras are hardy when provided with stable water conditions, making them suitable for both beginner and experienced aquarists. Neon Blue Rasboras are among the smallest schooling fish available, reaching only 0.75–1 inch (2–2.5 cm) at full size. Their electric-blue horizontal stripe glows under aquarium lighting, making them stand out even in heavily planted tanks. When kept in groups, their synchronized schooling creates a breathtaking shimmering effect. Axelrodi Rasboras are peaceful, social fish that should be kept in schools of 8–10 or more. They occupy the mid-to-upper levels of the tank and thrive in community setups with other gentle species. Ideal Neon Blue Rasbora tankmates include Chili Rasboras, Kubotai Rasboras, Ember tetras, Celestial Pearl Danios, Pygmy Corydoras, and freshwater shrimp. At our Splashy Fish tropical fish store, our Neon Blue 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 invertebrates for sale, live aquatic plants for sale, and aquarium supplies. WHAT YOU CAN EXPECT FROM THIS FISH: Stunning electric-blue body with glowing iridescence Very small adult size (0.75–1 inch), perfect for nano aquariums Peaceful schooling fish; thrives in groups of 8+Hardy and beginner-friendly with proper care Compatible with shrimp and other gentle nano community species RECOMMENDED TANK PARAMETERS: Tank Size: Minimum 10 gallons for a school Temperature: 72°–79°F (22°–26°C) pH: 5.5–7.0 Hardness: 2–10 dGH Filtration: Gentle flow with clean, well-oxygenated water Neon Blue Rasbora Care Guidelines: Diet: Omnivorous. Feed a mix of high-quality micro pellets, crushed flakes, and live or frozen foods such as daphnia, brine shrimp, and microworms to bring out their best coloration. Tank Setup: Provide dark substrate, driftwood, and dense live plants to mimic their natural blackwater habitat. Dim lighting enhances their neon glow. Behavior: Peaceful and social that displaying natural beauty when kept in schools of 8–10 or more.
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