Jewel Cichlid and Pea Puffer Compatibility Overview
Jewel Cichlid and Pea Puffer are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Jewel Cichlid is aggressive and Pea Puffer is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Jewel Cichlid | Pea Puffer | Verdict |
|---|---|---|---|
| Temperature | 72โ82ยฐF | 74โ82ยฐF | โ 74โ82ยฐF |
| pH Range | 6.0โ7.8 | 7.0โ8.0 | โ ๏ธ 7.0โ7.8 (narrow) |
| Temperament | aggressive | semi | โ Risk |
| Adult Size | 5.9 in | 1 in | โ 6ร difference |
| Min. Group | 2+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Jewel Cichlid โ Hemichromis bimaculatus
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
Pea Puffer โ Carinotetraodon travancoricus
World's smallest pufferfish โ intensely territorial and nippy despite tiny size. Will attack fins and eat shrimp and snails.
Frequently Asked Questions
Can Jewel Cichlid live with Pea Puffer?
Generally not recommended. Jewel Cichlid and Pea Puffer are generally not recommended to be housed together. The adult size gap creates a meaningful predation risk. Jewel Cichlid is aggressive and Pea Puffer is semi. Expect chasing and fin damage unless the tank is oversized, heavily planted, and watched closely. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Jewel Cichlid and Pea Puffer together?
A minimum of 55 gallons is recommended for keeping Jewel Cichlid and Pea Puffer together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Jewel Cichlid and Pea Puffer?
74โ82ยฐF โ inside Jewel Cichlid's 72โ82ยฐF and Pea Puffer's 74โ82ยฐF.
Is a Jewel Cichlid aggressive toward a Pea Puffer?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Jewel Cichlid and Pea Puffer
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 55 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 75 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 100 gal | Best when keeping larger schools or reducing territorial pressure. |