๐Ÿ  Fish Compatibility Guide

Can Jewel Cichlid and Lionfish Live Together?

Updated September 23, 2026 ยท FishCare AI Editorial Team

โŒ Not Compatible โ€” Compatibility Score: 0/100
0/100 โ€” Not Compatible

Jewel Cichlid and Lionfish Compatibility Overview

Jewel Cichlid and Lionfish are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Jewel Cichlid wants 6.0โ€“7.8 and Lionfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

Compatibility factors for Jewel Cichlid and Lionfish
FactorJewel CichlidLionfishVerdict
Temperature72โ€“82ยฐF72โ€“82ยฐFโœ… 72โ€“82ยฐF
pH Range6.0โ€“7.88.1โ€“8.4โŒ No overlap
TemperamentaggressiveaggressiveโŒ Risk
Adult Size5.9 in15.0 inโš ๏ธ 2.5ร— difference
Min. Group2+1+See below
Min. Tank Size100 gallons (for both species)โ€”

Compatibility Positives

A stable shared temperature range is available.

Incompatibility Reasons

One of these is a marine species and the other is not; they cannot share one aquarium.
Their pH ranges do not meet: Jewel Cichlid wants 6.0โ€“7.8 and Lionfish wants 8.1โ€“8.4.
Jewel Cichlid and Lionfish are both aggressive; housing them together invites sustained fighting rather than an occasional squabble.

Species Profiles

Jewel Cichlid โ€” Hemichromis bimaculatus

Jewel Cichlid and Lionfish compatibility โ€” Jewel Cichlid

The Jewel Cichlid, Hemichromis bimaculatus, is a vibrant and territorial fish popular in the aquarium trade. They require a spacious tank with hiding spots and can be moderately aggressive. With proper care, they can be a rewarding addition to the home aquarium.

โ†’ Full Jewel Cichlid care guide

Lionfish โ€” Pterois volitans

Jewel Cichlid and Lionfish compatibility โ€” Lionfish

Lionfish are popular saltwater aquarium fish known for their striking colors and intimidating spines. These fish require a large tank and careful attention to water parameters. Aggressive by nature, they can be harmful to smaller fish and invertebrates.

โ†’ Full Lionfish care guide

Frequently Asked Questions

Can Jewel Cichlid live with Lionfish?

Generally not recommended. Jewel Cichlid and Lionfish are generally not recommended to be housed together. One of these is a marine species and the other is not; they cannot share one aquarium. Their pH ranges do not meet: Jewel Cichlid wants 6.0โ€“7.8 and Lionfish wants 8.1โ€“8.4. Review the behavior and water details before deciding whether to attempt the pairing.

What tank size do I need for Jewel Cichlid and Lionfish together?

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

What temperature suits both Jewel Cichlid and Lionfish?

72โ€“82ยฐF โ€” inside Jewel Cichlid's 72โ€“82ยฐF and Lionfish's 72โ€“82ยฐF.

Is a Jewel Cichlid aggressive toward a Lionfish?

Jewel Cichlid and Lionfish are both aggressive; housing them together invites sustained fighting rather than an occasional squabble.

Related Compatibility Guides

Tank Size for Jewel Cichlid and Lionfish

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

ScenarioTankWhen it applies
Minimum viable120 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.