๐Ÿ  Fish Compatibility Guide

Can Fire Eel and Severum Cichlid 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

Fire Eel and Severum Cichlid Compatibility Overview

Fire Eel and Severum Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Both are semi, so give them a larger, well-planted tank and watch how they settle in. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Fire Eel and Severum Cichlid
FactorFire EelSeverum CichlidVerdict
Temperature75โ€“82ยฐF72โ€“84ยฐFโœ… 75โ€“82ยฐF
pH Range6.0โ€“7.05.5โ€“7.0โœ… 6.0โ€“7.0
Temperamentsemisemiโš ๏ธ Monitor
Adult Size39.4 in11.8 inโš ๏ธ 3.3ร— difference
Min. Group1+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.
Their pH requirements overlap.

Incompatibility Reasons

The adult size gap creates a meaningful predation risk.
Both are semi, so give them a larger, well-planted tank and watch how they settle in.

Species Profiles

Fire Eel โ€” Mastacembelus erythrotaenia

Fire Eel and Severum Cichlid compatibility โ€” Fire Eel

The Fire Eel is a stunning, red-bottomed species that requires a spacious tank. They are peaceful bottom feeders and do best in a well-planted, mature aquarium. With a moderate activity level, they can be a great addition to a community tank, but their size and diet may be incompatible with smaller fish.

โ†’ Full Fire Eel care guide

Severum Cichlid โ€” Heros efasciatus

Fire Eel and Severum Cichlid 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

Frequently Asked Questions

Can Fire Eel live with Severum Cichlid?

Generally not recommended. Fire Eel and Severum Cichlid are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Both are semi, so give them a larger, well-planted tank and watch how they settle in. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Fire Eel and Severum Cichlid together?

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

What temperature suits both Fire Eel and Severum Cichlid?

75โ€“82ยฐF โ€” inside Fire Eel's 75โ€“82ยฐF and Severum Cichlid's 72โ€“84ยฐF.

Is a Fire Eel aggressive toward a Severum Cichlid?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Fire Eel and Severum Cichlid

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

ScenarioTankWhen it applies
Minimum viable114 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community180 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup220 galBest when keeping larger schools or reducing territorial pressure.