๐Ÿ  Fish Compatibility Guide

Can Black Phantom Tetra and Kuhli Loach Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 92/100
92/100 โ€” Compatible

Black Phantom Tetra and Kuhli Loach Compatibility Overview

Black Phantom Tetra and Kuhli Loach can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Black Phantom Tetra and Kuhli Loach
FactorBlack Phantom TetraKuhli LoachVerdict
Temperature68โ€“82ยฐF73โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range5.0โ€“7.05.5โ€“7.0โœ… 5.5โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.4 in3.5 inโš ๏ธ 2.5ร— difference
Min. Group8+3+See below
Min. Tank Size55 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.

Caution Points

No major compatibility issues identified for this pair.

Species Profiles

Black Phantom Tetra โ€” Hyphessobrycon megalopterus

Black Phantom Tetra and Kuhli Loach compatibility โ€” Black Phantom Tetra

The Black Phantom Tetra is a popular freshwater fish known for its striking black and silver coloration. It is generally peaceful and can be kept in a community tank with other non-aggressive species. They require a well-maintained tank with a moderate water flow and a good cover of plants.

โ†’ Full Black Phantom Tetra care guide

Kuhli Loach โ€” Pangio kuhlii

Black Phantom Tetra and Kuhli Loach compatibility โ€” Kuhli Loach

Eel-like bottom dwellers that are peaceful with all non-aggressive fish. Nocturnal and reclusive; need caves and soft substrate.

โ†’ Full Kuhli Loach care guide

Frequently Asked Questions

Can Black Phantom Tetra live with Kuhli Loach?

Yes, in a well-planned setup. Black Phantom Tetra and Kuhli Loach can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 55-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Black Phantom Tetra and Kuhli Loach together?

A minimum of 55 gallons is recommended for keeping Black Phantom Tetra and Kuhli Loach together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Black Phantom Tetra and Kuhli Loach?

73โ€“82ยฐF โ€” inside Black Phantom Tetra's 68โ€“82ยฐF and Kuhli Loach's 73โ€“82ยฐF.

Is a Black Phantom Tetra aggressive toward a Kuhli Loach?

Black Phantom Tetra is peaceful and Kuhli Loach is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Black Phantom Tetra and Kuhli Loach

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.