๐Ÿ  Fish Compatibility Guide

Can Dwarf Gourami and Molly Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 65/100
65/100 โ€” Use Caution

Dwarf Gourami and Molly Compatibility Overview

Dwarf Gourami and Molly can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Dwarf Gourami and Molly
FactorDwarf GouramiMollyVerdict
Temperature72โ€“82ยฐF72โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range6.0โ€“7.57.5โ€“8.5โš ๏ธ 7.5โ€“7.5 (narrow)
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size3.5 in4 inโœ… Similar
Min. Group1+3+See below
Min. Tank Size55 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Temperament risk is relatively low when normal group sizes are maintained.

Caution Points

Their usable pH overlap is narrow and requires stable, tested water.

Species Profiles

Dwarf Gourami โ€” Trichogaster lalius

Dwarf Gourami and Molly 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

Molly โ€” Poecilia sphenops

Dwarf Gourami and Molly compatibility โ€” Molly

Hardy livebearers that prefer alkaline, hard water โ€” sometimes slightly brackish. Prolific breeders; peaceful community fish.

โ†’ Full Molly care guide

Frequently Asked Questions

Can Dwarf Gourami live with Molly?

With significant caution and a larger tank. Dwarf Gourami and Molly can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Dwarf Gourami and Molly together?

A minimum of 55 gallons is recommended for keeping Dwarf Gourami and Molly together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Dwarf Gourami and Molly?

72โ€“82ยฐF โ€” inside Dwarf Gourami's 72โ€“82ยฐF and Molly's 72โ€“82ยฐF.

Is a Dwarf Gourami aggressive toward a Molly?

Dwarf Gourami is semi and Molly is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Dwarf Gourami and Molly

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

ScenarioTankWhen it applies
Minimum viable55 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community75 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup125 galBest when keeping larger schools or reducing territorial pressure.