๐Ÿ  Fish Compatibility Guide

Can Clown Loach and Congo 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 Congo Tetra Compatibility Overview

Clown Loach and Congo Tetra are generally not recommended to be housed together. 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 Congo Tetra
FactorClown LoachCongo TetraVerdict
Temperature77โ€“86ยฐF73โ€“82ยฐFโœ… 77โ€“82ยฐF
pH Range6.0โ€“7.56.0โ€“7.5โœ… 6.0โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size12 in3.1 inโš ๏ธ 3.9ร— difference
Min. Group5+6+See below
Min. Tank Size100 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.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.

Species Profiles

Clown Loach โ€” Chromobotia macracanthus

Clown Loach and Congo 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

Congo Tetra โ€” Phenacogrammus interruptus

Clown Loach and Congo Tetra compatibility โ€” Congo Tetra

The Congo Tetra is a vibrant and active fish that thrives in a well-maintained freshwater aquarium. With its striking coloration and peaceful nature, it's a great addition to any community tank. This species is best kept in groups and requires a spacious tank with plenty of swimming space.

โ†’ Full Congo Tetra care guide

Frequently Asked Questions

Can Clown Loach live with Congo Tetra?

Generally not recommended. Clown Loach and Congo Tetra are generally not recommended to be housed together. 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 Congo Tetra together?

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

What temperature suits both Clown Loach and Congo Tetra?

77โ€“82ยฐF โ€” inside Clown Loach's 77โ€“86ยฐF and Congo Tetra's 73โ€“82ยฐF.

Is a Clown Loach aggressive toward a Congo Tetra?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Clown Loach and Congo 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.