๐Ÿ  Fish Compatibility Guide

Can Cardinal Tetra and Yoyo Loach Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 74/100
74/100 โ€” Use Caution

Cardinal Tetra and Yoyo Loach Compatibility Overview

Cardinal Tetra and Yoyo Loach can potentially coexist, but the combination requires careful attention. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Cardinal Tetra and Yoyo Loach
FactorCardinal TetraYoyo LoachVerdict
Temperature73โ€“82ยฐF66โ€“82ยฐFโœ… 73โ€“82ยฐF
pH Range4.5โ€“7.06.0โ€“7.5โœ… 6.0โ€“7.0
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size1.5 in6.3 inโŒ 4ร— difference
Min. Group6+5+See below
Min. Tank Size75 gallons (for both species)โ€”

Compatibility Positives

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

Caution Points

Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Cardinal Tetra โ€” Paracheirodon axelrodi

Cardinal Tetra and Yoyo Loach compatibility โ€” Cardinal Tetra

Brilliant red-and-blue schooling fish from the Rio Negro. Prefers soft, acidic, warm water โ€” a natural companion for discus.

โ†’ Full Cardinal Tetra care guide

Yoyo Loach โ€” Botia almorhae

Cardinal Tetra and Yoyo Loach compatibility โ€” Yoyo Loach

The Yoyo Loach is a popular freshwater species known for its striking black and white coloration. They are peaceful and make great community fish, though they may be shy and require a well-established tank with ample hiding spots. These loaches are moderately active and do well in a tank with plenty of room to swim.

โ†’ Full Yoyo Loach care guide

Frequently Asked Questions

Can Cardinal Tetra live with Yoyo Loach?

With significant caution and a larger tank. Cardinal Tetra and Yoyo Loach can potentially coexist, but the combination requires careful attention. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. A larger tank (minimum 75 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Cardinal Tetra and Yoyo Loach together?

A minimum of 75 gallons is recommended for keeping Cardinal Tetra and Yoyo Loach together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Cardinal Tetra and Yoyo Loach?

73โ€“82ยฐF โ€” inside Cardinal Tetra's 73โ€“82ยฐF and Yoyo Loach's 66โ€“82ยฐF.

Is a Cardinal Tetra aggressive toward a Yoyo Loach?

Cardinal Tetra is peaceful and Yoyo Loach is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Cardinal Tetra and Yoyo Loach

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.