๐Ÿ  Fish Compatibility Guide

Can Black Ghost Knifefish and Panda Cory 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

Black Ghost Knifefish and Panda Cory Compatibility Overview

Black Ghost Knifefish and Panda Cory 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 Black Ghost Knifefish and Panda Cory
FactorBlack Ghost KnifefishPanda CoryVerdict
Temperature73โ€“82ยฐF72โ€“77ยฐFโœ… 73โ€“77ยฐF
pH Range6.0โ€“8.06.0โ€“7.4โœ… 6.0โ€“7.4
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size18.0 in2.0 inโŒ 9ร— difference
Min. Group1+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

Black Ghost Knifefish โ€” Apteronotus albifrons

Black Ghost Knifefish and Panda Cory compatibility โ€” Black Ghost Knifefish

The Black Ghost Knifefish is a unique and elegant addition to the aquarium. With a lifespan of 5-8 years, it requires a minimum tank size of 200 liters. It is a solitary fish with a low aggression level and moderate activity. Its slender body and silver-blue coloration make it a captivating sight.

โ†’ Full Black Ghost Knifefish care guide

Panda Cory โ€” Corydoras panda

Black Ghost Knifefish and Panda Cory compatibility โ€” Panda Cory

The Corydoras panda, known for its distinctive white face and black body, is a popular freshwater fish. They are peaceful and make excellent additions to community tanks. They are moderately active and can thrive in a well-maintained environment. As bottom-dwellers, they require a tank with plenty of hiding spots.

โ†’ Full Panda Cory care guide

Frequently Asked Questions

Can Black Ghost Knifefish live with Panda Cory?

Generally not recommended. Black Ghost Knifefish and Panda Cory 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 Black Ghost Knifefish and Panda Cory together?

A minimum of 100 gallons is recommended for keeping Black Ghost Knifefish and Panda Cory together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Black Ghost Knifefish and Panda Cory?

73โ€“77ยฐF โ€” inside Black Ghost Knifefish's 73โ€“82ยฐF and Panda Cory's 72โ€“77ยฐF.

Is a Black Ghost Knifefish aggressive toward a Panda Cory?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Black Ghost Knifefish and Panda Cory

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.