Butterfly Koi Fish 12-18 cm

🐠 Butterfly Koi Fish – 12–18cm – Rare Long-Fin Koi from Australian Farm
Add rare beauty and elegance to your pond or large aquarium with our Butterfly Koi Fish! This premium selection features koi with long, flowing fins and vibrant colour patterns. Each Butterfly Koi is 12–18cm and bred locally on our trusted Australian farm—carefully raised for optimal health, colour, and fin quality.

Perfect for koi enthusiasts, pond owners, or anyone seeking to showcase graceful, ornamental fish in their collection.

📸 Photos and videos are examples of our current stock. Each fish is unique, but all are healthy, active, and selected for premium quality.

✅ Product Details
• Type: Butterfly Koi (Long-Fin Koi – Cyprinus carpio)
• Size: 12–18 cm (body length, excluding fins)
• Age: Approx. 6–12 months
• Lifespan: 20+ years with proper care
• Breeding: Farm-raised in Australian conditions
• Selection: Random pick from current healthy stock
• Shipping: Express within NSW & ACT only (insulated, oxygenated packaging)
• Availability: Rare – limited stock released weekly

🎨 Pattern Information
• Colours vary and may include combinations of orange, white, black, yellow, or metallic tones
• Long, flowing pectoral, dorsal, and caudal fins resembling butterfly wings – highly prized for visual appeal

🌡️ Ideal Water Parameters
• Temperature: 10–25°C
• pH: 7.4–7.8 (crushed coral recommended if buffering is needed)
• Water Hardness: Moderate
• Tank/Pond Size: Minimum 200 litres per koi
• Filtration: Use strong filtration and aeration for best results

🧼 Care Instructions
• Suitable for outdoor ponds or large indoor aquariums
• Ensure plenty of swimming space and surface agitation
• Perform 20–30% weekly water changes to maintain quality
• Avoid sharp or rough objects that could damage long fins

🍽️ Feeding Instructions
Feed high-quality koi pellets
Supplement with fresh vegetables or protein-rich treats like bloodworms 2–3 times per week

📦 Shipping & Support
Live koi shipped via express post in insulated, oxygenated bags (NSW & ACT only)
Includes tracking, live arrival guarantee, and friendly after-sale support

🔍 SEO Keywords Targeted
Butterfly Koi for sale Australia, Long-fin koi 12–18cm, Rare koi NSW, Premium koi farm Australia, Fancy koi fish ACT

💬 Questions or custom requests?
📲 Message us on Facebook: Zen Aquarium AU
📞 Call: 0478 757 332