๐Ÿ  Fish Compatibility Guide

Can Cherry Barb and Otocinclus Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โœ… Compatible โ€” Compatibility Score: 96/100
96/100 โ€” Compatible

Cherry Barb and Otocinclus Compatibility Overview

Cherry Barb and Otocinclus 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.

Compatibility factors for Cherry Barb and Otocinclus
FactorCherry BarbOtocinclusVerdict
Temperature73โ€“81ยฐF72โ€“82ยฐFโœ… 73โ€“81ยฐF
pH Range6.0โ€“8.06.0โ€“7.5โœ… 6.0โ€“7.5
Temperamentpeacefulpeacefulโœ… Compatible
Adult Size2 in1.5 inโœ… Similar
Min. Group6+4+See below
Min. Tank Size20 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

Cherry Barb โ€” Puntius titteya

Cherry Barb and Otocinclus compatibility โ€” Cherry Barb

Unlike most barbs, cherry barbs are peaceful schooling fish safe with bettas and nano species. Males turn vivid red when in breeding condition.

โ†’ Full Cherry Barb care guide

Otocinclus โ€” Otocinclus spp.

Cherry Barb and Otocinclus compatibility โ€” Otocinclus

Tiny algae-eating catfish that are peaceful with all species. Need established algae growth and biofilm; sensitive to ammonia.

โ†’ Full Otocinclus care guide

Frequently Asked Questions

Can Cherry Barb live with Otocinclus?

Yes, in a well-planned setup. Cherry Barb and Otocinclus 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 20-gallon tank is recommended to provide adequate territory and water volume for both species.

What tank size do I need for Cherry Barb and Otocinclus together?

A minimum of 20 gallons is recommended for keeping Cherry Barb and Otocinclus together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Cherry Barb and Otocinclus?

73โ€“81ยฐF โ€” inside Cherry Barb's 73โ€“81ยฐF and Otocinclus's 72โ€“82ยฐF.

Is a Cherry Barb aggressive toward a Otocinclus?

Cherry Barb is peaceful and Otocinclus is peaceful. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Cherry Barb and Otocinclus

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

ScenarioTankWhen it applies
Minimum viable20 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community29 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup55 galBest when keeping larger schools or reducing territorial pressure.