๐Ÿ  Fish Compatibility Guide

Can Cardinal Tetra and Electric Yellow Cichlid Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 52/100
52/100 โ€” Use Caution

Cardinal Tetra and Electric Yellow Cichlid Compatibility Overview

Cardinal Tetra and Electric Yellow Cichlid can potentially coexist, but the combination requires careful attention. Their pH ranges do not meet: Cardinal Tetra wants 4.5โ€“7.0 and Electric Yellow Cichlid wants 7.7โ€“8.6. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Cardinal Tetra and Electric Yellow Cichlid
FactorCardinal TetraElectric Yellow CichlidVerdict
Temperature73โ€“82ยฐF75โ€“82ยฐFโœ… 75โ€“82ยฐF
pH Range4.5โ€“7.07.7โ€“8.6โŒ No overlap
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size1.5 in3.9 inโš ๏ธ 2.6ร— difference
Min. Group6+4+See below
Min. Tank Size55 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 do not meet: Cardinal Tetra wants 4.5โ€“7.0 and Electric Yellow Cichlid wants 7.7โ€“8.6.

Species Profiles

Cardinal Tetra โ€” Paracheirodon axelrodi

Cardinal Tetra and Electric Yellow Cichlid 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

Electric Yellow Cichlid โ€” Labidochromis caeruleus

Cardinal Tetra and Electric Yellow Cichlid compatibility โ€” Electric Yellow Cichlid

The Electric Yellow Cichlid is a popular freshwater species known for its striking yellow coloration and moderate aggression. It requires a spacious tank with hiding spots and is best kept with peaceful tankmates. This species is suitable for beginner aquarists.

โ†’ Full Electric Yellow Cichlid care guide

Frequently Asked Questions

Can Cardinal Tetra live with Electric Yellow Cichlid?

With significant caution and a larger tank. Cardinal Tetra and Electric Yellow Cichlid can potentially coexist, but the combination requires careful attention. Their pH ranges do not meet: Cardinal Tetra wants 4.5โ€“7.0 and Electric Yellow Cichlid wants 7.7โ€“8.6. A larger tank (minimum 55 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Cardinal Tetra and Electric Yellow Cichlid together?

A minimum of 55 gallons is recommended for keeping Cardinal Tetra and Electric Yellow Cichlid together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Cardinal Tetra and Electric Yellow Cichlid?

75โ€“82ยฐF โ€” inside Cardinal Tetra's 73โ€“82ยฐF and Electric Yellow Cichlid's 75โ€“82ยฐF.

Is a Cardinal Tetra aggressive toward a Electric Yellow Cichlid?

Cardinal Tetra is peaceful and Electric Yellow Cichlid is semi. No major aggression issues are expected between these species.

Related Compatibility Guides

Tank Size for Cardinal Tetra and Electric Yellow Cichlid

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 setup125 galBest when keeping larger schools or reducing territorial pressure.