๐Ÿ  Fish Compatibility Guide

Can Julii Cory and Silver Dollar Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 83/100
83/100 โ€” Compatible

Julii Cory and Silver Dollar Compatibility Overview

Julii Cory and Silver Dollar 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Julii Cory and Silver Dollar
FactorJulii CorySilver DollarVerdict
Temperature68โ€“79ยฐF75โ€“82ยฐFโœ… 75โ€“79ยฐF
pH Range5.5โ€“7.56.0โ€“7.0โœ… 6.0โ€“7.0
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2.2 in5.9 inโš ๏ธ 2.7ร— difference
Min. Group6+5+See below
Min. Tank Size75 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

Julii Cory โ€” Corydoras julii

Julii Cory and Silver Dollar compatibility โ€” Julii Cory

The Julii Cory is a popular, peaceful bottom-dweller that thrives in community tanks. With a lifespan of up to 5 years, they are suitable for beginners and experienced aquarists alike. These fish are known for their dark brown coloration with distinctive white spots and a slender, flat body shape.

โ†’ Full Julii Cory care guide

Silver Dollar โ€” Metynnis argenteus

Julii Cory and Silver Dollar compatibility โ€” Silver Dollar

The Metynnis argenteus, known as the Silver Dollar fish, is a popular freshwater species with a distinctive silver color and disc-shaped body. They require a spacious tank and are best kept in groups to prevent bullying. Their peaceful nature makes them suitable for community tanks, but they are not known to school.

โ†’ Full Silver Dollar care guide

Frequently Asked Questions

Can Julii Cory live with Silver Dollar?

Yes, in a well-planned setup. Julii Cory and Silver Dollar 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 75-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Julii Cory and Silver Dollar together?

A minimum of 75 gallons is recommended for keeping Julii Cory and Silver Dollar together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Julii Cory and Silver Dollar?

75โ€“79ยฐF โ€” inside Julii Cory's 68โ€“79ยฐF and Silver Dollar's 75โ€“82ยฐF.

Is a Julii Cory aggressive toward a Silver Dollar?

Julii Cory is peaceful and Silver Dollar is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Julii Cory and Silver Dollar

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

ScenarioTankWhen it applies
Minimum viable75 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community125 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup150 galBest when keeping larger schools or reducing territorial pressure.