๐Ÿ  Fish Compatibility Guide

Can Peppered Cory and Red Eye Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 91/100
91/100 โ€” Compatible

Peppered Cory and Red Eye Tetra Compatibility Overview

Peppered Cory and Red Eye Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Peppered Cory is peaceful and Red Eye Tetra is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Peppered Cory and Red Eye Tetra
FactorPeppered CoryRed Eye TetraVerdict
Temperature72โ€“79ยฐF72โ€“79ยฐFโœ… 72โ€“79ยฐF
pH Range6.0โ€“7.06.0โ€“8.0โœ… 6.0โ€“7.0
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size2.8 in2.8 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 Red Eye 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

Red Eye Tetra โ€” Moenkhausia sanctaefilomenae

Peppered Cory and Red Eye Tetra compatibility โ€” Red Eye Tetra

The Red Eye Tetra is a popular freshwater fish known for its vibrant red eyes and sleek, silver body. They are generally peaceful and can be kept in a community tank with other non-aggressive species. Their moderate activity level makes them suitable for a variety of aquarium setups. With proper care, they can live up to 5 years.

โ†’ Full Red Eye Tetra care guide

Frequently Asked Questions

Can Peppered Cory live with Red Eye Tetra?

Yes, in a well-planned setup. Peppered Cory and Red Eye Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Peppered Cory is peaceful and Red Eye Tetra is semi, so give them room and cover rather than assuming they will ignore each 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 Red Eye Tetra together?

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

What temperature suits both Peppered Cory and Red Eye Tetra?

72โ€“79ยฐF โ€” inside Peppered Cory's 72โ€“79ยฐF and Red Eye Tetra's 72โ€“79ยฐF.

Is a Peppered Cory aggressive toward a Red Eye Tetra?

Peppered Cory is peaceful and Red Eye Tetra is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Peppered Cory and Red Eye Tetra

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

ScenarioTankWhen it applies
Minimum viable27 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community40 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup75 galBest when keeping larger schools or reducing territorial pressure.