Angelfish and Pea Puffer Compatibility Overview
Angelfish and Pea Puffer 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.
| Factor | Angelfish | Pea Puffer | Verdict |
|---|---|---|---|
| Temperature | 74โ84ยฐF | 74โ82ยฐF | โ 74โ82ยฐF |
| pH Range | 6.0โ7.5 | 7.0โ8.0 | โ ๏ธ 7.0โ7.5 (narrow) |
| Temperament | semi | semi | โ ๏ธ Monitor |
| Adult Size | 6 in | 1 in | โ 6ร difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 55 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Angelfish โ Pterophyllum scalare
Elegant South American cichlids with long flowing fins. Generally peaceful but territorial when breeding and will eat very small fish.
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 Angelfish live with Pea Puffer?
Generally not recommended. Angelfish and Pea Puffer 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 Angelfish and Pea Puffer together?
A minimum of 55 gallons is recommended for keeping Angelfish and Pea Puffer together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Angelfish and Pea Puffer?
74โ82ยฐF โ inside Angelfish's 74โ84ยฐF and Pea Puffer's 74โ82ยฐF.
Is a Angelfish aggressive toward a Pea Puffer?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Angelfish 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. |