๐Ÿ  Fish Compatibility Guide

Can Guppy and Moonlight Gourami Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 76/100
76/100 โ€” Compatible

Guppy and Moonlight Gourami Compatibility Overview

Guppy and Moonlight Gourami can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Guppy and Moonlight Gourami
FactorGuppyMoonlight GouramiVerdict
Temperature72โ€“82ยฐF77โ€“86ยฐFโœ… 77โ€“82ยฐF
pH Range6.8โ€“8.56.0โ€“7.5โš ๏ธ 6.8โ€“7.5 (narrow)
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.5 in5.9 inโš ๏ธ 2.4ร— difference
Min. Group3+1+See below
Min. Tank Size75 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Temperament risk is relatively low when normal group sizes are maintained.

Caution Points

Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Guppy โ€” Poecilia reticulata

Guppy and Moonlight Gourami compatibility โ€” Guppy

Hardy and colourful livebearers. Males' long flowing tails make them targets for fin-nipping species. Very prolific breeders.

โ†’ Full Guppy care guide

Moonlight Gourami โ€” Trichopodus microlepis

Guppy and Moonlight Gourami compatibility โ€” Moonlight Gourami

The Moonlight Gourami is a beautiful freshwater fish known for its silvery blue color and red eyes. It is a peaceful community fish suitable for beginners and can thrive in a well-maintained aquarium. These fish are sensitive to water quality and require a spacious tank with plenty of swimming space.

โ†’ Full Moonlight Gourami care guide

Frequently Asked Questions

Can Guppy live with Moonlight Gourami?

Yes, in a well-planned setup. Guppy and Moonlight Gourami can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Guppy and Moonlight Gourami together?

A minimum of 75 gallons is recommended for keeping Guppy and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Guppy and Moonlight Gourami?

77โ€“82ยฐF โ€” inside Guppy's 72โ€“82ยฐF and Moonlight Gourami's 77โ€“86ยฐF.

Is a Guppy aggressive toward a Moonlight Gourami?

Guppy is peaceful and Moonlight Gourami is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Guppy and Moonlight Gourami

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable75 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community125 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup150 galBest when keeping larger schools or reducing territorial pressure.