Green Neon Tetra

The Green Neon Tetra is a small, vibrant freshwater fish closely related to the Neon Tetra but featuring a more intense green-blue iridescent stripe that runs along its slender body. Native to blackwater streams of South America, this species displays a subtle yet stunning glow under aquarium lighting. Slightly smaller and more delicate than its relatives, the Green Neon Tetra is ideal for well-maintained, peaceful community aquariums and aquascapes.

Green Neon Tetra (Paracheirodon simulans) Description The Green Neon Tetra is a small, vibrant freshwater fish closely related to the Neon Tetra but featuring a more intense green-blue iridescent stripe that runs along its slender body. Native to blackwater streams of South America, this species displays a subtle yet stunning glow under aquarium lighting. Slightly smaller and more delicate than its relatives, the Green Neon Tetra is ideal for well-maintained, peaceful community aquariums and aquascapes. Water Parameters Temperature: 22°C – 28°C pH: 5.0 – 7.0 (prefers slightly acidic water) Hardness: 1 – 8 dGH (soft water preferred) Ammonia/Nitrite: 0 ppm Nitrate: Below 15–20 ppm They thrive best in stable, soft, and slightly acidic water conditions. Care & Maintenance Green Neon Tetras require stable and clean water conditions: Minimum 40–60 liters tank Keep in schools of at least 6–10 fish (larger groups preferred) Use gentle filtration with low to moderate flow Perform 20–25% weekly water changes Provide a planted aquarium with driftwood and subdued lighting A well-established tank is important, as they are sensitive to sudden parameter changes. Behaviour & Temperament Peaceful and non-aggressive Active schooling fish Shy in small numbers but confident in groups Occupy mid-water levels Their schooling behavior creates a beautiful shimmering effect in planted aquariums. Compatibility Excellent for peaceful community tanks with other small, calm species. Suitable Tank Mates Neon Tetra Cardinal Tetra Ember Tetra Harlequin Rasbora Corydoras Catfish Small peaceful Gouramis Tank mates should be non-aggressive and similar in size. Tank Mates to Avoid Large or aggressive fish (Cichlids) Fin-nipping species Fast, boisterous fish that may stress them Predatory fish that may eat them Due to their small size, they can easily become prey. Pro Tips Keep in larger schools for better color and reduced stress Use dark substrate and background to enhance coloration Maintain soft, slightly acidic water for optimal health Feed a varied diet of micro pellets, flakes, and live/frozen foods Quarantine new fish to prevent diseases like Neon Tetra Disease The Green Neon Tetra is a subtle yet mesmerizing species, perfect for aquascaped and community tanks. With proper care and stable conditions, they create a dazzling, natural display in any freshwater aquarium.