๐Ÿ  Fish Compatibility Guide

Can Cherry Barb and Diamond Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 88/100
88/100 โ€” Compatible

Cherry Barb and Diamond Tetra Compatibility Overview

Cherry Barb and Diamond Tetra 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Cherry Barb and Diamond Tetra
FactorCherry BarbDiamond TetraVerdict
Temperature73โ€“81ยฐF75โ€“82ยฐFโœ… 75โ€“81ยฐF
pH Range6.0โ€“8.05.5โ€“7.0โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2 in2.4 inโœ… Similar
Min. Group6+6+See below
Min. Tank Size20 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

Cherry Barb โ€” Puntius titteya

Cherry Barb and Diamond Tetra compatibility โ€” Cherry Barb

Unlike most barbs, cherry barbs are peaceful schooling fish safe with bettas and nano species. Males turn vivid red when in breeding condition.

โ†’ Full Cherry Barb care guide

Diamond Tetra โ€” Moenkhausia pittieri

Cherry Barb and Diamond Tetra compatibility โ€” Diamond Tetra

The Diamond Tetra is a popular freshwater fish known for its vibrant colors and peaceful nature. It is well-suited for community tanks and can thrive in a variety of water conditions. With a moderate activity level and a preference for schools, this species is a great addition to any beginner or intermediate aquarist's tank.

โ†’ Full Diamond Tetra care guide

Frequently Asked Questions

Can Cherry Barb live with Diamond Tetra?

Yes, in a well-planned setup. Cherry Barb and Diamond Tetra 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Cherry Barb and Diamond Tetra together?

A minimum of 20 gallons is recommended for keeping Cherry Barb and Diamond Tetra together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Cherry Barb and Diamond Tetra?

75โ€“81ยฐF โ€” inside Cherry Barb's 73โ€“81ยฐF and Diamond Tetra's 75โ€“82ยฐF.

Is a Cherry Barb aggressive toward a Diamond Tetra?

Cherry Barb is peaceful and Diamond Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Cherry Barb and Diamond Tetra

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

ScenarioTankWhen it applies
Minimum viable20 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community29 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup55 galBest when keeping larger schools or reducing territorial pressure.