Premium Butterfly Koi - Cyprinus carpio

Premium Butterfly Koi (Cyprinus carpio) are elegant long-finned koi prized for their flowing, veil-like fins and vibrant coloration. A mix of traditional koi patterns and the ornamental traits of long-finned breeds, these koi display a variety of colors including white, orange, black, yellow, and metallic tones. Their graceful swimming makes them a standout in ponds and water gardens.

Description:

Common Name: Premium Butterfly Koi

Scientific Name: Cyprinus carpio

Family: Cyprinidae

Size: Up to 24 inches (61 cm) or more in large ponds

Temperament: Peaceful

Difficulty: Easy to Moderate

Native Region:

Japan (selectively bred from common carp and Indonesian longfin varieties)

Aquarium or Pond Setup:

Tank Size/Pond: Minimum 250 gallons; best kept in large outdoor ponds

Temperature: 59–77°F (15–25°C)

pH: 6.8–8.2

Hardness: Moderate

Decor: Open swimming space with gentle water flow; strong filtration is essential

Additional Tips:

• Behavior: Hardy, social, and visually striking in groups

• Tankmates: Ideal with other koi or large, peaceful coldwater fish

• Diet: Omnivorous – high-quality koi pellets, greens, and occasional protein-rich foods

• Care: Ensure high water quality and ample space to allow fin development

• Outdoor Care: Cold-hardy but deeper ponds are recommended in cooler regions