🐟 Candy Koi Betta Fish (Betta splendens)
🐟 Candy Koi Betta Fish (Betta splendens — marble pattern)
Solitary Display Fish • Pastel Marble Colouring That Keeps Evolving • Every Fish Is Unique
📋 The Candy Koi Betta is a pastel-toned variation of the koi marble pattern, typically showing softer pink, white, and yellow tones against the bold red-black-white base of standard koi. Every fish carries a unique combination.
"Koi" and "Candy" are commercial names for a marble colour pattern in Betta splendens, not a separate species or fixed breed. The marble gene is a transposon, a piece of DNA that physically moves around the genome and switches pigment on or off as the fish ages. That means your fish's exact pattern keeps evolving throughout its life, independent of care quality: a fish that's mostly white with orange patches today may develop much more black marbling within a year or two. It's normal and not a sign of illness, and it's what makes a marble betta a living work of art that keeps surprising you.
Beyond the colour genetics, care is the same as for any betta: a warm, filtered, solitary setup with smooth décor.
💡 Highlights
🍬 Pastel Marble Pattern: Softer pink, white, and yellow tones on a koi base
🎨 Colours That Keep Evolving: A living work of art
👑 A Solitary Display Betta: Best kept individually
✨ Every Fish Is Unique: No two marble patterns are alike
🌡️ Loves Warmth and Stability: Same care as any betta
🧾 A Quick Look at the Candy Koi Betta Fish
📛 Common Name: Candy Koi Betta Fish
🔬 Scientific Name: Betta splendens — marble/koi colour pattern, “Candy” variant
👨👩👧 Family: Osphronemidae
🌍 Origin: Thailand, Cambodia, Vietnam (captive-bred colour strain)
📏 Max Size: About 6-7cm
🧂 Water Type: Freshwater
🌡️ Temperature Range: 24-28°C (75-82°F); steady warmth, with a heater only if your water would otherwise drop below about 24°C
🧪 pH Range: 6.5-7.5
🧠 Care Level: Easy to moderate
💖 Temperament: Territorial and aggressive toward other males
🏠 Min Tank Size: 19 L (5 gallons) minimum; larger is better
📌 Tank Level: Top to mid-water; has a labyrinth organ for gulping surface air
🧬 Stock Type: Captive-bred marble colour strain
⏳ Lifespan: 3-5 years with proper care
🍽️ Diet: Carnivore
🐣 Reproduction: Bubble nester

















