๐Ÿ  Fish Compatibility Guide

Can Clown Loach 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

Clown Loach and Percula Clownfish Compatibility Overview

Clown Loach 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Clown Loach and Percula Clownfish
FactorClown LoachPercula ClownfishVerdict
Temperature77โ€“86ยฐF74โ€“82ยฐFโœ… 77โ€“82ยฐF
pH Range6.0โ€“7.58.1โ€“8.4โŒ No overlap
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size12 in3.0 inโŒ 4ร— difference
Min. Group5+2+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.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
The adult size gap creates a meaningful predation risk.
Their pH ranges do not meet: Clown Loach wants 6.0โ€“7.5 and Percula Clownfish wants 8.1โ€“8.4.

Species Profiles

Clown Loach โ€” Chromobotia macracanthus

Clown Loach and Percula Clownfish 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

Percula Clownfish โ€” Amphiprion percula

Clown Loach 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 Clown Loach live with Percula Clownfish?

Generally not recommended. Clown Loach 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. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Clown Loach and Percula Clownfish together?

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

What temperature suits both Clown Loach and Percula Clownfish?

77โ€“82ยฐF โ€” inside Clown Loach's 77โ€“86ยฐF and Percula Clownfish's 74โ€“82ยฐF.

Is a Clown Loach aggressive toward a Percula Clownfish?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Clown Loach and Percula Clownfish

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.