๐Ÿ  Fish Compatibility Guide

Can Congo Tetra 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

Congo Tetra and Severum Cichlid Compatibility Overview

Congo Tetra and Severum Cichlid 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 Congo Tetra and Severum Cichlid
FactorCongo TetraSeverum CichlidVerdict
Temperature73โ€“82ยฐF72โ€“84ยฐFโœ… 73โ€“82ยฐF
pH Range6.0โ€“7.55.5โ€“7.0โœ… 6.0โ€“7.0
Temperamentpeacefulsemiโš ๏ธ Monitor
Adult Size3.1 in11.8 inโš ๏ธ 3.8ร— difference
Min. Group6+1+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

Congo Tetra โ€” Phenacogrammus interruptus

Congo Tetra and Severum Cichlid compatibility โ€” Congo Tetra

The Congo Tetra is a vibrant and active fish that thrives in a well-maintained freshwater aquarium. With its striking coloration and peaceful nature, it's a great addition to any community tank. This species is best kept in groups and requires a spacious tank with plenty of swimming space.

โ†’ Full Congo Tetra care guide

Severum Cichlid โ€” Heros efasciatus

Congo Tetra 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 Congo Tetra live with Severum Cichlid?

Generally not recommended. Congo Tetra and Severum Cichlid 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 Congo Tetra and Severum Cichlid together?

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

What temperature suits both Congo Tetra and Severum Cichlid?

73โ€“82ยฐF โ€” inside Congo Tetra's 73โ€“82ยฐF and Severum Cichlid's 72โ€“84ยฐF.

Is a Congo Tetra aggressive toward a Severum Cichlid?

The adult size gap creates a meaningful predation risk.

Related Compatibility Guides

Tank Size for Congo Tetra and Severum Cichlid

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.