๐Ÿ  Fish Compatibility Guide

Can Cherry Barb and Royal Gramma Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Cherry Barb and Royal Gramma Compatibility Overview

Cherry Barb and Royal Gramma are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Cherry Barb wants 6.0โ€“8.0 and Royal Gramma wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Cherry Barb and Royal Gramma
FactorCherry BarbRoyal GrammaVerdict
Temperature73โ€“81ยฐF72โ€“82ยฐFโœ… 73โ€“81ยฐF
pH Range6.0โ€“8.08.1โ€“8.4โŒ No overlap
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size2 in3.0 inโœ… Similar
Min. Group6+1+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.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Cherry Barb wants 6.0โ€“8.0 and Royal Gramma wants 8.1โ€“8.4.

Species Profiles

Cherry Barb โ€” Puntius titteya

Cherry Barb and Royal Gramma 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

Royal Gramma โ€” Gramma loreto

Cherry Barb and Royal Gramma compatibility โ€” Royal Gramma

The Royal Gramma, known for its vibrant blue coloration, is a popular saltwater fish among beginners and experienced aquarists alike. It requires a well-maintained tank with plenty of swimming space and a moderate current. With a peaceful temperament and a relatively easy care routine, the Royal Gramma can be a great addition to a community tank.

โ†’ Full Royal Gramma care guide

Frequently Asked Questions

Can Cherry Barb live with Royal Gramma?

Generally not recommended. Cherry Barb and Royal Gramma are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Cherry Barb wants 6.0โ€“8.0 and Royal Gramma wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Cherry Barb and Royal Gramma together?

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

What temperature suits both Cherry Barb and Royal Gramma?

73โ€“81ยฐF โ€” inside Cherry Barb's 73โ€“81ยฐF and Royal Gramma's 72โ€“82ยฐF.

Is a Cherry Barb aggressive toward a Royal Gramma?

Cherry Barb is peaceful and Royal Gramma is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Cherry Barb and Royal Gramma

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

ScenarioTankWhen it applies
Minimum viable30 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community55 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup75 galBest when keeping larger schools or reducing territorial pressure.