๐Ÿ  Fish Compatibility Guide

Can Peppered Cory and Silver Arowana 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

Peppered Cory and Silver Arowana Compatibility Overview

Peppered Cory and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Peppered Cory is peaceful and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Peppered Cory and Silver Arowana
FactorPeppered CorySilver ArowanaVerdict
Temperature72โ€“79ยฐF68โ€“86ยฐFโœ… 72โ€“79ยฐF
pH Range6.0โ€“7.05.0โ€“7.5โœ… 6.0โ€“7.0
TemperamentpeacefulaggressiveโŒ Risk
Adult Size2.8 in31.5 inโŒ 11ร— difference
Min. Group6+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
Peppered Cory is peaceful and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Peppered Cory โ€” Corydoras paleatus

Peppered Cory and Silver Arowana 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

Silver Arowana โ€” Osteoglossum bicirrhosum

Peppered Cory and Silver Arowana compatibility โ€” Silver Arowana

The Silver Arowana is a majestic and unique fish known for its striking appearance and size. It is a large, predatory fish that requires a spacious tank and specific water conditions. While not a community fish, it can be kept with compatible, larger species. They are sensitive to stress and require careful water quality management.

โ†’ Full Silver Arowana care guide

Frequently Asked Questions

Can Peppered Cory live with Silver Arowana?

Generally not recommended. Peppered Cory and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Peppered Cory is peaceful and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Peppered Cory and Silver Arowana together?

A minimum of 100 gallons is recommended for keeping Peppered Cory and Silver Arowana together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Peppered Cory and Silver Arowana?

72โ€“79ยฐF โ€” inside Peppered Cory's 72โ€“79ยฐF and Silver Arowana's 68โ€“86ยฐF.

Is a Peppered Cory aggressive toward a Silver Arowana?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Peppered Cory and Silver Arowana

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

ScenarioTankWhen it applies
Minimum viable250 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community350 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup450 galBest when keeping larger schools or reducing territorial pressure.