๐Ÿ  Fish Compatibility Guide

Can Clown Loach and Glass Catfish 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 Glass Catfish Compatibility Overview

Clown Loach and Glass Catfish are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 77โ€“79ยฐF, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Clown Loach and Glass Catfish
FactorClown LoachGlass CatfishVerdict
Temperature77โ€“86ยฐF68โ€“79ยฐFโš ๏ธ 77โ€“79ยฐF (narrow)
pH Range6.0โ€“7.54.0โ€“7.0โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size12 in2.6 inโŒ 5ร— difference
Min. Group5+6+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

Temperament risk is relatively low when normal group sizes are maintained.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
Their ranges meet only at 77โ€“79ยฐF, which leaves no margin for a heater drifting or a warm room.
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 Glass Catfish 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

Glass Catfish โ€” Kryptopterus vitreolus

Clown Loach and Glass Catfish compatibility โ€” Glass Catfish

The Glass Catfish, Kryptopterus vitreolus, is a popular freshwater aquarium fish known for its unique, translucent body and iridescent scales. It is a peaceful species that thrives in groups and is suitable for beginners due to its hardy nature. These catfish are bottom-dwellers and require a well-decorated tank with plenty of swimming space.

โ†’ Full Glass Catfish care guide

Frequently Asked Questions

Can Clown Loach live with Glass Catfish?

Generally not recommended. Clown Loach and Glass Catfish are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their ranges meet only at 77โ€“79ยฐF, which leaves no margin for a heater drifting or a warm room. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Clown Loach and Glass Catfish together?

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

What temperature suits both Clown Loach and Glass Catfish?

77โ€“79ยฐF (narrow) โ€” inside Clown Loach's 77โ€“86ยฐF and Glass Catfish's 68โ€“79ยฐF.

Is a Clown Loach aggressive toward a Glass Catfish?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Clown Loach and Glass Catfish

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.