Clown Killifish, also known as Rocket Killifish, are one of the most eye-catching nano fish available. With bold vertical stripes and a vivid red tail that looks like a rocket flame, these tiny surface-dwelling fish bring constant movement and color to planted nano tanks. Peaceful, hardy, and full of personality, Clown Killifish are perfect for aquascapes, shrimp tanks, and calm community setups. They prefer to cruise near the water surface, making them a unique focal point even in smaller aquariums. Why you’ll love them: Stunning rocket-style red tail & striped body Perfect for nano tanks (5–10 gallons+) Peaceful and shrimp-safe Active, curious, and fun to watch Great choice for planted and blackwater tanks 🌿 Care Guide (Quick & Easy) Tank Size: Minimum 5 gallons (best in groups) Temperature: 72–78°F (22–26°C) pH: 5.5 – 7.0 (slightly acidic preferred) Water Hardness: Soft to moderately soft Behavior: Peaceful, surface-oriented Keep in groups of 6+ for best color and confidence Tank Setup: Planted tank recommended Floating plants (Salvinia, Frogbit, Red Root Floater) are ideal Gentle filtration, low flow Tight lid required — they can jump Diet: Micropellets Frozen or live foods: baby brine shrimp, daphnia, cyclops Feed small amounts 1–2 times daily Tank Mates: Other nano fish (Chili Rasboras, Ember Tetras) Shrimp & snails Avoid large or aggressive fish 📌 Notes Males are more colorful with brighter red tails Excellent fish for experienced beginners and nano-tank enthusiasts Thrive best in stable, well-maintained aquariums
