๐Ÿ  Fish Compatibility Guide

Can Dwarf Gourami 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

Dwarf Gourami and Silver Arowana Compatibility Overview

Dwarf Gourami and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Dwarf Gourami is semi 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 Dwarf Gourami and Silver Arowana
FactorDwarf GouramiSilver ArowanaVerdict
Temperature72โ€“82ยฐF68โ€“86ยฐFโœ… 72โ€“82ยฐF
pH Range6.0โ€“7.55.0โ€“7.5โœ… 6.0โ€“7.5
TemperamentsemiaggressiveโŒ Risk
Adult Size3.5 in31.5 inโŒ 9ร— difference
Min. Group1+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.
Dwarf Gourami is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Dwarf Gourami โ€” Trichogaster lalius

Dwarf Gourami and Silver Arowana compatibility โ€” Dwarf Gourami

Colourful labyrinth fish that is generally peaceful but can be territorial toward similar species. Susceptible to Dwarf Gourami Iridovirus.

โ†’ Full Dwarf Gourami care guide

Silver Arowana โ€” Osteoglossum bicirrhosum

Dwarf Gourami 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 Dwarf Gourami live with Silver Arowana?

Generally not recommended. Dwarf Gourami and Silver Arowana are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Dwarf Gourami is semi 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 Dwarf Gourami and Silver Arowana together?

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

What temperature suits both Dwarf Gourami and Silver Arowana?

72โ€“82ยฐF โ€” inside Dwarf Gourami's 72โ€“82ยฐF and Silver Arowana's 68โ€“86ยฐF.

Is a Dwarf Gourami aggressive toward a Silver Arowana?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Dwarf Gourami 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.