๐Ÿ  Fish Compatibility Guide

Can Pea Puffer and Three Spot Gourami Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 68/100
68/100 โ€” Use Caution

Pea Puffer and Three Spot Gourami Compatibility Overview

Pea Puffer and Three Spot Gourami can potentially coexist, but the combination requires careful attention. Both are semi, so give them a larger, well-planted tank and watch how they settle in. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Pea Puffer and Three Spot Gourami
FactorPea PufferThree Spot GouramiVerdict
Temperature74โ€“82ยฐF75โ€“86ยฐFโœ… 75โ€“82ยฐF
pH Range7.0โ€“8.05.5โ€“8.5โœ… 7.0โ€“8.0
Temperamentsemisemiโš ๏ธ Monitor
Adult Size1 in5.9 inโŒ 6ร— difference
Min. Group1+1+See below
Min. Tank Size55 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.

Caution Points

Both are semi, so give them a larger, well-planted tank and watch how they settle in.

Species Profiles

Pea Puffer โ€” Carinotetraodon travancoricus

Pea Puffer and Three Spot Gourami 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

Three Spot Gourami โ€” Trichopodus trichopterus

Pea Puffer and Three Spot Gourami compatibility โ€” Three Spot Gourami

The Three Spot Gourami is a peaceful and attractive addition to freshwater tanks. They are known for their vibrant coloration and peaceful demeanor. With their flowing tails and distinctive body spots, they add visual interest to the aquarium. Providing a well-planted tank with hiding spots is crucial for their well-being.

โ†’ Full Three Spot Gourami care guide

Frequently Asked Questions

Can Pea Puffer live with Three Spot Gourami?

With significant caution and a larger tank. Pea Puffer and Three Spot Gourami can potentially coexist, but the combination requires careful attention. Both are semi, so give them a larger, well-planted tank and watch how they settle in. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Pea Puffer and Three Spot Gourami together?

A minimum of 55 gallons is recommended for keeping Pea Puffer and Three Spot Gourami together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Pea Puffer and Three Spot Gourami?

75โ€“82ยฐF โ€” inside Pea Puffer's 74โ€“82ยฐF and Three Spot Gourami's 75โ€“86ยฐF.

Is a Pea Puffer aggressive toward a Three Spot Gourami?

Pea Puffer is semi and Three Spot Gourami is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Pea Puffer and Three Spot Gourami

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 setup100 galBest when keeping larger schools or reducing territorial pressure.