Origins and Classification
- Scientific Name: Poecilia reticulata (Moscow Blue strain)
- Family: Poeciliidae (Livebearers)
- Origin: While guppies originate from South America (Brazil, Trinidad, Venezuela), the Neon Electric Blue Moscow is a selectively bred strain developed for its intense full-body metallic blue coloration.
- Popularity: One of the most sought-after Moscow guppies due to its shimmering neon-blue finish, solid coloration, and premium show-quality appearance.
🎨 Appearance
- Color:
- Stunning full-body electric blue that reflects neon under aquarium light.
- Metallic sheen from head to tail — signature Moscow trait.
- Tail may be solid blue or slightly darker depending on the line.
- Structure:
- Slender male body with large flowing tail (delta or fan shape).
- Females are bigger with softer coloration but still carry the blue tone.
- Size:
- Males: 1.2–1.5 inches (3–4 cm)
- Females: 2–2.5 inches (5–6 cm)
- Lifespan: 2–3 years with stable warm water and quality diet.
🏡 Tank Requirements
- Tank Size: Minimum 10 gallons; best displayed in planted aquariums.
- Water Parameters:
- Temperature: 72–82°F (22–28°C)
- pH: 7.0–7.8
- Hardness: 8–20 dGH
- Lighting: Bright or moderate — their electric blue color glows under good lighting.
- Substrate: Light sand or fine gravel enhances blue reflection.
- Habitat Setup:
- Plenty of live plants (Java Fern, Anubias, Water Wisteria).
- Gentle filtration; avoid strong flow.
- Provide hiding areas for fry.



