Pea Puffer and X Ray Tetra Compatibility Overview
Pea Puffer and X Ray Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Pea Puffer is semi and X Ray Tetra is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Pea Puffer | X Ray Tetra | Verdict |
|---|---|---|---|
| Temperature | 74โ82ยฐF | 72โ82ยฐF | โ 74โ82ยฐF |
| pH Range | 7.0โ8.0 | 6.0โ7.5 | โ ๏ธ 7.0โ7.5 (narrow) |
| Temperament | semi | peaceful | โ ๏ธ Monitor |
| Adult Size | 1 in | 1.8 in | โ Similar |
| Min. Group | 1+ | 6+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
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.
โ Full Pea Puffer care guide
X Ray Tetra โ Pristella maxillaris
The Pristella maxillaris, also known as the X-Ray Tetra, is a popular freshwater fish known for its unique appearance and peaceful nature. They are slender and iridescent, with a clear, almost x-ray-like body. They are best kept in groups of 6 or more and thrive in well-planted tanks with a moderate water flow.
Frequently Asked Questions
Can Pea Puffer live with X Ray Tetra?
Yes, in a well-planned setup. Pea Puffer and X Ray Tetra can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Pea Puffer is semi and X Ray Tetra is peaceful, so give them room and cover rather than assuming they will ignore each other. A minimum 20-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Pea Puffer and X Ray Tetra together?
A minimum of 20 gallons is recommended for keeping Pea Puffer and X Ray Tetra together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Pea Puffer and X Ray Tetra?
74โ82ยฐF โ inside Pea Puffer's 74โ82ยฐF and X Ray Tetra's 72โ82ยฐF.
Is a Pea Puffer aggressive toward a X Ray Tetra?
Pea Puffer is semi and X Ray Tetra is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Pea Puffer and X Ray Tetra
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 20 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 29 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 55 gal | Best when keeping larger schools or reducing territorial pressure. |