๐Ÿ  Fish Compatibility Guide

Can Clown Loach and Discus Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 80/100
80/100 โ€” Compatible

Clown Loach and Discus Compatibility Overview

Clown Loach and Discus can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Clown Loach is peaceful and Discus is semi, 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 Clown Loach and Discus
FactorClown LoachDiscusVerdict
Temperature77โ€“86ยฐF82โ€“88ยฐFโœ… 82โ€“86ยฐF
pH Range6.0โ€“7.55.0โ€“7.0โœ… 6.0โ€“7.0
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size12 in8 inโœ… Similar
Min. Group5+5+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

Clown Loach โ€” Chromobotia macracanthus

Clown Loach and Discus compatibility โ€” Clown Loach

Striking striped loach that grows very large. Peaceful with fish but will eat shrimp, snails and tiny fish.

โ†’ Full Clown Loach care guide

Discus โ€” Symphysodon spp.

Clown Loach and Discus 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

Frequently Asked Questions

Can Clown Loach live with Discus?

Yes, in a well-planned setup. Clown Loach and Discus can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Clown Loach is peaceful and Discus is semi, 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 Clown Loach and Discus together?

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

What temperature suits both Clown Loach and Discus?

82โ€“86ยฐF โ€” inside Clown Loach's 77โ€“86ยฐF and Discus's 82โ€“88ยฐF.

Is a Clown Loach aggressive toward a Discus?

Clown Loach is peaceful and Discus is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Clown Loach and Discus

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.