๐Ÿ  Fish Compatibility Guide

Can Clown Pleco and Pea Puffer Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 77/100
77/100 โ€” Compatible

Clown Pleco and Pea Puffer Compatibility Overview

Clown Pleco and Pea Puffer can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Clown Pleco is peaceful and Pea Puffer is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 29-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Clown Pleco and Pea Puffer
FactorClown PlecoPea PufferVerdict
Temperature73โ€“82ยฐF74โ€“82ยฐFโœ… 74โ€“82ยฐF
pH Range6.5โ€“7.87.0โ€“8.0โš ๏ธ 7.0โ€“7.8 (narrow)
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size3.5 in1 inโš ๏ธ 3.5ร— difference
Min. Group1+1+See below
Min. Tank Size29 gallons (for both species)โ€”

Compatibility Positives

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

Caution Points

No major compatibility issues identified for this pair.

Species Profiles

Clown Pleco โ€” Panaqolus maccus

Clown Pleco and Pea Puffer compatibility โ€” Clown Pleco

The Clown Pleco is a popular freshwater fish known for its dark brown body with light spots and long, flattened body shape. They are peaceful and make great community fish for beginners. These plecos are moderate in activity level and prefer a tank with plenty of hiding spots.

โ†’ Full Clown Pleco care guide

Pea Puffer โ€” Carinotetraodon travancoricus

Clown Pleco and Pea Puffer 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

Frequently Asked Questions

Can Clown Pleco live with Pea Puffer?

Yes, in a well-planned setup. Clown Pleco and Pea Puffer can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Clown Pleco is peaceful and Pea Puffer is semi, so give them room and cover rather than assuming they will ignore each other. A minimum 29-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Clown Pleco and Pea Puffer together?

A minimum of 29 gallons is recommended for keeping Clown Pleco and Pea Puffer together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Clown Pleco and Pea Puffer?

74โ€“82ยฐF โ€” inside Clown Pleco's 73โ€“82ยฐF and Pea Puffer's 74โ€“82ยฐF.

Is a Clown Pleco aggressive toward a Pea Puffer?

Clown Pleco is peaceful and Pea Puffer is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Clown Pleco and Pea Puffer

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

ScenarioTankWhen it applies
Minimum viable29 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community40 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup55 galBest when keeping larger schools or reducing territorial pressure.