๐Ÿ  Fish Compatibility Guide

Can Peppered Cory and X Ray Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 98/100
98/100 โ€” Compatible

Peppered Cory and X Ray Tetra Compatibility Overview

Peppered Cory and X Ray Tetra 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Peppered Cory and X Ray Tetra
FactorPeppered CoryX Ray TetraVerdict
Temperature72โ€“79ยฐF72โ€“82ยฐFโœ… 72โ€“79ยฐF
pH Range6.0โ€“7.06.0โ€“7.5โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.8 in1.8 inโœ… Similar
Min. Group6+6+See below
Min. Tank Size20 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

Peppered Cory โ€” Corydoras paleatus

Peppered Cory and X Ray Tetra compatibility โ€” Peppered Cory

The Peppered Cory is a popular freshwater fish known for its peaceful nature and unique appearance. They are suitable for beginners and can thrive in a community tank. These fish are small, reaching up to 7 cm in size, and are easily recognizable by their dark brown bodies with white spots.

โ†’ Full Peppered Cory care guide

X Ray Tetra โ€” Pristella maxillaris

Peppered Cory and X Ray Tetra compatibility โ€” X Ray Tetra

The Pristella maxillaris, also known as the X-Ray Tetra, is a popular freshwater fish known for its unique appearance and peaceful nature. They are slender and iridescent, with a clear, almost x-ray-like body. They are best kept in groups of 6 or more and thrive in well-planted tanks with a moderate water flow.

โ†’ Full X Ray Tetra care guide

Frequently Asked Questions

Can Peppered Cory live with X Ray Tetra?

Yes, in a well-planned setup. Peppered Cory and X Ray Tetra 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Peppered Cory and X Ray Tetra together?

A minimum of 20 gallons is recommended for keeping Peppered Cory and X Ray Tetra together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Peppered Cory and X Ray Tetra?

72โ€“79ยฐF โ€” inside Peppered Cory's 72โ€“79ยฐF and X Ray Tetra's 72โ€“82ยฐF.

Is a Peppered Cory aggressive toward a X Ray Tetra?

Peppered Cory is peaceful and X Ray Tetra is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Peppered Cory and X Ray Tetra

Use the scenario that matches the actual group sizes and temperament you plan to keep.

ScenarioTankWhen it applies
Minimum viable20 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community29 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup55 galBest when keeping larger schools or reducing territorial pressure.