๐Ÿ  Fish Compatibility Guide

Can Discus and Moonlight Gourami Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 81/100
81/100 โ€” Compatible

Discus and Moonlight Gourami Compatibility Overview

Discus and Moonlight Gourami can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Discus is semi and Moonlight Gourami is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 100-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Discus and Moonlight Gourami
FactorDiscusMoonlight GouramiVerdict
Temperature82โ€“88ยฐF77โ€“86ยฐFโœ… 82โ€“86ยฐF
pH Range5.0โ€“7.06.0โ€“7.5โœ… 6.0โ€“7.0
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size8 in5.9 inโœ… Similar
Min. Group5+1+See below
Min. Tank Size100 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

Discus โ€” Symphysodon spp.

Discus and Moonlight Gourami compatibility โ€” Discus

The 'king of the aquarium' โ€” beautiful but demanding. Requires very warm, soft, acidic water that excludes most community fish.

โ†’ Full Discus care guide

Moonlight Gourami โ€” Trichopodus microlepis

Discus 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 Discus live with Moonlight Gourami?

Yes, in a well-planned setup. Discus and Moonlight Gourami can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Discus is semi and Moonlight Gourami is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 100-gallon tank is recommended to provide adequate territory and water volume for both species.

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

A minimum of 100 gallons is recommended for keeping Discus and Moonlight Gourami together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Discus and Moonlight Gourami?

82โ€“86ยฐF โ€” inside Discus's 82โ€“88ยฐF and Moonlight Gourami's 77โ€“86ยฐF.

Is a Discus aggressive toward a Moonlight Gourami?

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

Related Compatibility Guides

Tank Size for Discus and Moonlight Gourami

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

ScenarioTankWhen it applies
Minimum viable100 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community150 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup220 galBest when keeping larger schools or reducing territorial pressure.