๐Ÿ  Fish Compatibility Guide

Can Pea Puffer 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

Pea Puffer and Silver Arowana Compatibility Overview

Pea Puffer and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Pea Puffer and Silver Arowana
FactorPea PufferSilver ArowanaVerdict
Temperature74โ€“82ยฐF68โ€“86ยฐFโœ… 74โ€“82ยฐF
pH Range7.0โ€“8.05.0โ€“7.5โš ๏ธ 7.0โ€“7.5 (narrow)
TemperamentsemiaggressiveโŒ Risk
Adult Size1 in31.5 inโŒ 32ร— difference
Min. Group1+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
Their pH ranges overlap only partly, so aim for the shared band and keep it steady.
Pea Puffer is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Pea Puffer โ€” Carinotetraodon travancoricus

Pea Puffer and Silver Arowana compatibility โ€” Pea Puffer

World's smallest pufferfish โ€” intensely territorial and nippy despite tiny size. Will attack fins and eat shrimp and snails.

โ†’ Full Pea Puffer care guide

Silver Arowana โ€” Osteoglossum bicirrhosum

Pea Puffer 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 Pea Puffer live with Silver Arowana?

Generally not recommended. Pea Puffer and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Pea Puffer and Silver Arowana together?

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

What temperature suits both Pea Puffer and Silver Arowana?

74โ€“82ยฐF โ€” inside Pea Puffer's 74โ€“82ยฐF and Silver Arowana's 68โ€“86ยฐF.

Is a Pea Puffer aggressive toward a Silver Arowana?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Pea Puffer 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.