AquaStocker

Can a Molly Live With a Tiger Barb?

Yes — a molly and tiger barb are generally compatible.

Updated June 2026

By the AquaStocker team · How we source our data

Yes — generally compatible

Molly

4.0" · 20g min · 72–80°F · Peaceful

+

Tiger Barb

3.0" · 20g min · 68–79°F · Semi-aggressive

Temperatures line up — both thrive around 72–79°F.

pH preferences overlap (7–8) — easy to keep both comfortable.

Both are shoaling species — keep each in its own group of 6+ for calm, confident fish.

Plan on at least 20 gallons for the pair (the larger of their two minimums).

Plan the full tank with the stocking calculator →

Gear for a community tank

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Aquarium water test kitwatch your parameters Aquarium filtermore filtration = headroom Aquarium heaterstable temperature 20 gallon aquariumroom for both

FAQ

Can a molly and tiger barb live together?

Yes — a molly and tiger barb are generally compatible. Minimum tank for the pair is about 20 gallons.

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