Pearl gouramis are larger than other gouramis. Does that help?

Size helps some, but tiger barbs are fast and swarm. A 4.5-inch gourami still gets nipped on the fins by a 3-inch barb. The gourami cannot outrun or outnumber the school.

Can I keep multiple pearl gouramis to spread out the aggression?

Multiple gouramis means multiple targets, but barbs usually fix on one fish and work it until it dies. Adding more gouramis does not reduce the pattern.

What is the minimum tank size to reduce conflict?

30 gallons with heavy planting can give the gourami enough cover to survive, but tiger barbs are relentless chasers. Most fishkeepers report failure even in 30-gallon planted tanks.

Can Pearl Gourami Live With Tiger Barb?

By Alex WalshLast reviewed Apr 18, 2026

No, tiger barbs nip pearl gouramis and harass them until the gourami stops feeding and declines.

Why

Tiger barbs grow to 3 inches and fin-nip slower fish with flowing appendages.
Pearl gouramis reach 4.5 inches but have long, threadlike pelvic fins barbs target.
Temperature overlap is narrow (77-79F) and the pH window overlaps (6.0-7.0), so water is workable.
Pearl gouramis are generally peaceful and have no means to deter persistent barbs.

Minimum shared tank

30 gallons

Shared temperature range

77-79°F

What could go wrong

Barbs focus on the pelvic fins first, then move to the tail and dorsal fin. The gourami loses condition fast and contracts secondary infections within two weeks.

If you keep them in separate tanks

Sized for the 30 gallon minimum this pairing needs. Affiliate links — we earn a small commission if you buy through them.

AquaClear 70 Power Filter

Oversized filtration is what lets you stock two species together without water quality crashing. Rated for a tank slightly larger than the 30 gallon minimum.

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Eheim Jager 200W Thermostat Heater

Holds a steady temperature inside the 77-79°F window both species need.

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API Freshwater Master Test Kit

Keep ammonia, nitrite, and nitrate in check. Two-species tanks have more bioload and less margin for error than single-species setups.

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Better pairings to consider

Pearl gouramis do well with peaceful community fish like corydoras, rasboras, or tetras. Tiger barbs do well with their own kind or with larger, assertive fish like clown loaches.