๐Ÿ  Fish Compatibility Guide

Can Keyhole Cichlid and Percula Clownfish 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

Keyhole Cichlid and Percula Clownfish Compatibility Overview

Keyhole Cichlid and Percula Clownfish 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: Keyhole Cichlid wants 4.0โ€“7.5 and Percula Clownfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Keyhole Cichlid and Percula Clownfish
FactorKeyhole CichlidPercula ClownfishVerdict
Temperature70โ€“82ยฐF74โ€“82ยฐFโœ… 74โ€“82ยฐF
pH Range4.0โ€“7.58.1โ€“8.4โŒ No overlap
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size4.3 in3.0 inโœ… Similar
Min. Group2+2+See below
Min. Tank Size55 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: Keyhole Cichlid wants 4.0โ€“7.5 and Percula Clownfish wants 8.1โ€“8.4.

Species Profiles

Keyhole Cichlid โ€” Cleithracara maronii

Keyhole Cichlid and Percula Clownfish 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

Percula Clownfish โ€” Amphiprion percula

Keyhole Cichlid and Percula Clownfish compatibility โ€” Percula Clownfish

The Percula Clownfish, also known as the False Percula, is a popular beginner fish due to its hardiness and striking coloration. These fish are best kept in a saltwater tank with a minimum size of 30 gallons and compatible tankmates. They are peaceful, non-aggressive and do well in groups with other compatible species.

โ†’ Full Percula Clownfish care guide

Frequently Asked Questions

Can Keyhole Cichlid live with Percula Clownfish?

Generally not recommended. Keyhole Cichlid and Percula Clownfish 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: Keyhole Cichlid wants 4.0โ€“7.5 and Percula Clownfish 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 Keyhole Cichlid and Percula Clownfish together?

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

What temperature suits both Keyhole Cichlid and Percula Clownfish?

74โ€“82ยฐF โ€” inside Keyhole Cichlid's 70โ€“82ยฐF and Percula Clownfish's 74โ€“82ยฐF.

Is a Keyhole Cichlid aggressive toward a Percula Clownfish?

Keyhole Cichlid is peaceful and Percula Clownfish is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Keyhole Cichlid and Percula Clownfish

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

ScenarioTankWhen it applies
Minimum viable55 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community75 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup125 galBest when keeping larger schools or reducing territorial pressure.