Blue Mosaic Guppy

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About the Blue Mosaic Guppy

The Blue Mosaic Guppy is one of the most breathtaking fancy guppy varieties, prized for its brilliant metallic blue body and intricately patterned mosaic tail. Its large fan-shaped tail features a stunning lace-like network of blue, black, and translucent markings, creating an elegant display that makes it one of the most sought-after ornamental livebearers.

Developed through selective breeding, the Blue Mosaic Guppy is admired for its vivid iridescent colours, graceful finnage, and peaceful personality. Males display the most vibrant blue colouration and elaborate tails, while females are larger with more subtle colouring. Their active, social nature makes them an excellent choice for planted aquariums and freshwater community tanks.

Blue Mosaic Guppies thrive in densely planted aquariums with gentle water flow, stable water conditions, and plenty of open swimming space. They are ideal companions for Endlers, Corydoras, Platies, Mollies, peaceful Tetras, Rasboras, Otocinclus, and freshwater shrimp. Like all Guppies, they are prolific livebearers and breed readily, making them popular among hobbyists and selective breeders.

A varied diet of premium tropical flakes, micro pellets, spirulina-based foods, baby brine shrimp, daphnia, bloodworms, and other quality live or frozen foods will maximise their vibrant blue colouration, healthy finnage, and overall vitality.

Elegant, colourful, and easy to care for, the Blue Mosaic Guppy is a premium addition to any planted aquarium or peaceful community tank.

Quick Care Guide

Scientific Name

Poecilia reticulata

Common Name

Blue Mosaic Guppy

Origin

Captive-bred ornamental variety

Adult Size

3–6 cm

Temperament

Peaceful

Diet

Omnivore

Minimum Tank Size

40 Litres

Temperature

22–28°C

pH

7.0–8.2

Water Hardness

8–30 dGH

Difficulty

Beginner

Lifespan

2–4 Years

Suitable For

Nano aquariums, planted tanks, freshwater community aquariums, and livebearer aquariums

Frequently Asked Questions

What is a Blue Mosaic Guppy?

The Blue Mosaic Guppy is a selectively bred fancy guppy featuring a brilliant metallic blue body and a large fan-shaped tail decorated with an intricate mosaic or lace-like pattern.

Are Blue Mosaic Guppies good for beginners?

Yes. They are hardy, peaceful, and easy to care for, making them ideal for both beginner and experienced aquarists.

What do Blue Mosaic Guppies eat?

They thrive on premium tropical flakes, micro pellets, spirulina foods, baby brine shrimp, daphnia, bloodworms, and other quality live or frozen foods.

Can Blue Mosaic Guppies live with shrimp?

Yes. Adult Cherry Shrimp and Amano Shrimp are generally safe tank mates, although newly hatched shrimplets may occasionally be eaten.

Do Blue Mosaic Guppies breed easily?

Yes. Like all Guppies, they are prolific livebearers and can produce fry approximately every 25–35 days. Selective breeding is recommended to preserve the distinctive Blue Mosaic pattern and finnage.

Common Mistakes

Keeping them with fin-nipping fish

Avoid Tiger Barbs and other fin-nipping species, as their large flowing tails are susceptible to damage.

Poor water quality

Regular water changes, stable water parameters, and efficient filtration are essential for maintaining vibrant colours and healthy fins.

Feeding only one type of food

A varied diet promotes stronger colouration, improved finnage, and better overall health.

Keeping too many males together

Male Guppies frequently display to one another. If keeping both sexes, a ratio of one male to two or three females helps reduce stress.

Underestimating breeding rates

Blue Mosaic Guppies reproduce rapidly, so have a plan for managing fry if keeping males and females together