Common Name: Koi Guppy
Scientific Name: Poecilia reticulata
Genus: Poecilia
Wild Origin: Selectively bred; wild ancestors originate from freshwater rivers and streams in South America, particularly Venezuela, Guyana, and Trinidad.
The Koi Guppy is a beautiful and unique variety of guppy, named for its resemblance to Japanese koi fish. Its distinctive coloration includes a bright white or silver body, a vibrant orange or red head, and bold markings on its fins and tail. This guppy’s graceful swimming style and peaceful temperament make it a standout in community tanks. Male Koi Guppies are more vividly colored, while females have a subtler, elegant appearance. These fish grow to about 1.5-2 inches (4-5 cm) and live for 2-3 years with proper care.
Habitat and Tank Requirements:
Koi Guppies thrive in clean, warm aquariums with live plants and open swimming areas. Their striking colors are best showcased in well-lit tanks.
Tank Size and Water Parameters:
| PARAMETER | RECOMMENDED |
|---|---|
| Tank Size | Minimum 40 litres |
| Temperature | 72-82°F (22-28°C) |
| pH | 6.8-7.8 |
| Hardness | Moderately hard water, 8-12 dGH |
A planted tank with live plants like Java moss, Anubias, or floating plants provides shelter and encourages natural behavior. A soft substrate of sand or fine gravel complements their environment and highlights their vibrant colors. Gentle filtration ensures stable water quality without creating strong currents. Regular water changes are essential for keeping them healthy.

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