๐Ÿ  Fish Compatibility Guide

Can Severum Cichlid and Silver Arowana Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โš ๏ธ Use Caution โ€” Compatibility Score: 58/100
58/100 โ€” Use Caution

Severum Cichlid and Silver Arowana Compatibility Overview

Severum Cichlid and Silver Arowana can potentially coexist, but the combination requires careful attention. Severum Cichlid is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.

Compatibility factors for Severum Cichlid and Silver Arowana
FactorSeverum CichlidSilver ArowanaVerdict
Temperature72โ€“84ยฐF68โ€“86ยฐFโœ… 72โ€“84ยฐF
pH Range5.5โ€“7.05.0โ€“7.5โœ… 5.5โ€“7.0
TemperamentsemiaggressiveโŒ Risk
Adult Size11.8 in31.5 inโš ๏ธ 2.7ร— 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.

Caution Points

Severum Cichlid is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Species Profiles

Severum Cichlid โ€” Heros efasciatus

Severum Cichlid and Silver Arowana 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

Silver Arowana โ€” Osteoglossum bicirrhosum

Severum Cichlid and Silver Arowana compatibility โ€” Silver Arowana

The Silver Arowana is a majestic and unique fish known for its striking appearance and size. It is a large, predatory fish that requires a spacious tank and specific water conditions. While not a community fish, it can be kept with compatible, larger species. They are sensitive to stress and require careful water quality management.

โ†’ Full Silver Arowana care guide

Frequently Asked Questions

Can Severum Cichlid live with Silver Arowana?

With significant caution and a larger tank. Severum Cichlid and Silver Arowana can potentially coexist, but the combination requires careful attention. Severum Cichlid is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. A larger tank (minimum 100 gallons), dense planting, and close monitoring are essential.

What tank size do I need for Severum Cichlid and Silver Arowana together?

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

What temperature suits both Severum Cichlid and Silver Arowana?

72โ€“84ยฐF โ€” inside Severum Cichlid's 72โ€“84ยฐF and Silver Arowana's 68โ€“86ยฐF.

Is a Severum Cichlid aggressive toward a Silver Arowana?

Severum Cichlid is semi and Silver Arowana is aggressive. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely.

Related Compatibility Guides

Tank Size for Severum Cichlid and Silver Arowana

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

ScenarioTankWhen it applies
Minimum viable250 galOnly for the recommended minimum groups, mature filtration, and close monitoring.
Recommended community350 galAdds territory, swimming room, and a safer buffer for behavior.
Low-conflict setup450 galBest when keeping larger schools or reducing territorial pressure.