๐Ÿ  Fish Compatibility Guide

Can Clown Loach and Diamond Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 32/100
32/100 โ€” Not Compatible

Clown Loach and Diamond Tetra Compatibility Overview

Clown Loach and Diamond Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Clown Loach and Diamond Tetra
FactorClown LoachDiamond TetraVerdict
Temperature77โ€“86ยฐF75โ€“82ยฐFโœ… 77โ€“82ยฐF
pH Range6.0โ€“7.55.5โ€“7.0โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size12 in2.4 inโŒ 5ร— difference
Min. Group5+6+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

The adult size gap creates a meaningful predation risk.
Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Clown Loach โ€” Chromobotia macracanthus

Clown Loach and Diamond Tetra 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

Diamond Tetra โ€” Moenkhausia pittieri

Clown Loach 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 Clown Loach live with Diamond Tetra?

Generally not recommended. Clown Loach and Diamond Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Clown Loach and Diamond Tetra together?

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

What temperature suits both Clown Loach and Diamond Tetra?

77โ€“82ยฐF โ€” inside Clown Loach's 77โ€“86ยฐF and Diamond Tetra's 75โ€“82ยฐF.

Is a Clown Loach aggressive toward a Diamond Tetra?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Clown Loach and Diamond Tetra

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.