Live Fish Blue Koi Betta Male & Female

Blue Koi Betta is a striking ornamental betta variety famous for its koi-inspired marble coloration mixed with metallic blue shades. These fish display unique patterns of blue, white, black, and sometimes silver across the body and fins, making every individual visually different. Their flowing fins and iridescent scales create a premium appearance in aquariums.

This variety is highly popular among aquascaping and nano tank hobbyists because of its vibrant colors and active personality.

Quick Facts: 

• Common Name: Blue Koi Betta
• Scientific Name: Betta splendens
• Origin: Southeast Asia
• Size: 2–3 inches
• Lifespan: 2–5 years
• Temperament: Semi-aggressive
• Diet: Carnivorous
• Tank Size: Minimum 5 gallons
• Water Temperature: 24–28°C
• pH Range: 6.5–7.5
• Swimming Level: Middle to top
• Care Level: Easy to Moderate
• Special Feature: Marble blue koi coloration
• Breathing Type: Labyrinth organ (air breathing)
• Suitable Tank: Planted aquarium with low flow