๐Ÿ  Fish Compatibility Guide

Can Denison Barb and Keyhole Cichlid Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 84/100
84/100 โ€” Compatible

Denison Barb and Keyhole Cichlid Compatibility Overview

Denison Barb and Keyhole Cichlid 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Denison Barb and Keyhole Cichlid
FactorDenison BarbKeyhole CichlidVerdict
Temperature59โ€“77ยฐF70โ€“82ยฐFโœ… 70โ€“77ยฐF
pH Range6.5โ€“7.84.0โ€“7.5โœ… 6.5โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size4.3 in4.3 inโœ… Similar
Min. Group6+2+See below
Min. Tank Size55 gallons (for both species)โ€”

Compatibility Positives

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

Caution Points

No major compatibility issues identified for this pair.

Species Profiles

Denison Barb โ€” Sahyadria denisonii

Denison Barb and Keyhole Cichlid compatibility โ€” Denison Barb

The Denison Barb is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks with other peaceful species. These fish are relatively easy to care for and can thrive in a well-maintained aquarium. They require a spacious tank and should be kept in groups to prevent stress.

โ†’ Full Denison Barb care guide

Keyhole Cichlid โ€” Cleithracara maronii

Denison Barb and Keyhole Cichlid compatibility โ€” Keyhole Cichlid

The Keyhole Cichlid is a popular choice for beginners due to its relatively easy care and peaceful temperament. These fish are known for their distinct keyhole marking and vibrant coloration. They do well in a community tank with other peaceful species, but should be provided with plenty of hiding spots to feel secure.

โ†’ Full Keyhole Cichlid care guide

Frequently Asked Questions

Can Denison Barb live with Keyhole Cichlid?

Yes, in a well-planned setup. Denison Barb and Keyhole Cichlid 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 55-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Denison Barb and Keyhole Cichlid together?

A minimum of 55 gallons is recommended for keeping Denison Barb and Keyhole Cichlid together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Denison Barb and Keyhole Cichlid?

70โ€“77ยฐF โ€” inside Denison Barb's 59โ€“77ยฐF and Keyhole Cichlid's 70โ€“82ยฐF.

Is a Denison Barb aggressive toward a Keyhole Cichlid?

Denison Barb is peaceful and Keyhole Cichlid is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Denison Barb and Keyhole Cichlid

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

ScenarioTankWhen it applies
Minimum viable64 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community90 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup125 galBest when keeping larger schools or reducing territorial pressure.