๐Ÿ  Fish Compatibility Guide

Can Lemon Tetra and Rosy Barb Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 76/100
76/100 โ€” Compatible

Lemon Tetra and Rosy Barb Compatibility Overview

Lemon Tetra and Rosy Barb can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Lemon Tetra and Rosy Barb
FactorLemon TetraRosy BarbVerdict
Temperature68โ€“82ยฐF61โ€“75ยฐFโœ… 68โ€“75ยฐF
pH Range5.0โ€“7.56.0โ€“8.0โœ… 6.0โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size1.6 in3.9 inโš ๏ธ 2.4ร— difference
Min. Group8+8+See below
Min. Tank Size75 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

Lemon Tetra โ€” Hyphessobrycon pulchripinnis

Lemon Tetra and Rosy Barb compatibility โ€” Lemon Tetra

The Lemon Tetra is a vibrant, peaceful addition to freshwater tanks. Known for its striking yellow and red colors, it is well-suited for community tanks. They are active swimmers and thrive in groups. Maintaining stable water conditions is key to their health.

โ†’ Full Lemon Tetra care guide

Rosy Barb โ€” Pethia conchonius

Lemon Tetra and Rosy Barb compatibility โ€” Rosy Barb

The Rosy Barb is a popular freshwater fish known for its vibrant coloration and peaceful nature. It is well-suited for community tanks with other non-aggressive species. They require a well-maintained environment and can be sensitive to water quality fluctuations. With proper care, they can thrive and add a splash of color to your aquarium.

โ†’ Full Rosy Barb care guide

Frequently Asked Questions

Can Lemon Tetra live with Rosy Barb?

Yes, in a well-planned setup. Lemon Tetra and Rosy Barb can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Lemon Tetra and Rosy Barb together?

A minimum of 75 gallons is recommended for keeping Lemon Tetra and Rosy Barb together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Lemon Tetra and Rosy Barb?

68โ€“75ยฐF โ€” inside Lemon Tetra's 68โ€“82ยฐF and Rosy Barb's 61โ€“75ยฐF.

Is a Lemon Tetra aggressive toward a Rosy Barb?

Lemon Tetra is peaceful and Rosy Barb is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Lemon Tetra and Rosy Barb

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

ScenarioTankWhen it applies
Minimum viable75 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community125 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup150 galBest when keeping larger schools or reducing territorial pressure.