๐Ÿ  Fish Compatibility Guide

Can Severum Cichlid and X Ray Tetra Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 32/100
32/100 โ€” Not Compatible

Severum Cichlid and X Ray Tetra Compatibility Overview

Severum Cichlid and X Ray Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Severum Cichlid and X Ray Tetra
FactorSeverum CichlidX Ray TetraVerdict
Temperature72โ€“84ยฐF72โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range5.5โ€“7.06.0โ€“7.5โœ… 6.0โ€“7.0
Temperamentsemipeacefulโš ๏ธ Monitor
Adult Size11.8 in1.8 inโŒ 7ร— difference
Min. Group1+6+See below
Min. Tank Size100 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.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
Their pH ranges overlap only partly, so aim for the shared band and keep it steady.

Species Profiles

Severum Cichlid โ€” Heros efasciatus

Severum Cichlid and X Ray Tetra compatibility โ€” Severum Cichlid

The Severum Cichlid, known for its vibrant colors and peaceful nature, is a popular choice for freshwater aquariums. They have a lifespan of around 5 years and require a minimum tank size of 80 liters. These fish are not schooling fish but are known to be gentle and compatible with a variety of tank mates.

โ†’ Full Severum Cichlid care guide

X Ray Tetra โ€” Pristella maxillaris

Severum Cichlid and X Ray Tetra compatibility โ€” X Ray Tetra

The Pristella maxillaris, also known as the X-Ray Tetra, is a popular freshwater fish known for its unique appearance and peaceful nature. They are slender and iridescent, with a clear, almost x-ray-like body. They are best kept in groups of 6 or more and thrive in well-planted tanks with a moderate water flow.

โ†’ Full X Ray Tetra care guide

Frequently Asked Questions

Can Severum Cichlid live with X Ray Tetra?

Generally not recommended. Severum Cichlid and X Ray Tetra are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Their pH ranges overlap only partly, so aim for the shared band and keep it steady. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Severum Cichlid and X Ray Tetra together?

A minimum of 100 gallons is recommended for keeping Severum Cichlid and X Ray Tetra together. A larger tank improves water stability and reduces territorial conflict.

What temperature suits both Severum Cichlid and X Ray Tetra?

72โ€“82ยฐF โ€” inside Severum Cichlid's 72โ€“84ยฐF and X Ray Tetra's 72โ€“82ยฐF.

Is a Severum Cichlid aggressive toward a X Ray Tetra?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Severum Cichlid and X Ray Tetra

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

ScenarioTankWhen it applies
Minimum viable100 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community150 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup220 galBest when keeping larger schools or reducing territorial pressure.