Glass Catfish and Pea Puffer Compatibility Overview
Glass Catfish and Pea Puffer can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 20 gallons), dense planting, and close monitoring are essential.
| Factor | Glass Catfish | Pea Puffer | Verdict |
|---|---|---|---|
| Temperature | 68โ79ยฐF | 74โ82ยฐF | โ 74โ79ยฐF |
| pH Range | 4.0โ7.0 | 7.0โ8.0 | โ ๏ธ 7.0โ7.0 (narrow) |
| Temperament | peaceful | semi | โ ๏ธ Monitor |
| Adult Size | 2.6 in | 1 in | โ ๏ธ 2.6ร difference |
| Min. Group | 6+ | 1+ | See below |
| Min. Tank Size | 20 gallons (for both species) | โ | |
Compatibility Positives
Caution Points
Species Profiles
Glass Catfish โ Kryptopterus vitreolus
The Glass Catfish, Kryptopterus vitreolus, is a popular freshwater aquarium fish known for its unique, translucent body and iridescent scales. It is a peaceful species that thrives in groups and is suitable for beginners due to its hardy nature. These catfish are bottom-dwellers and require a well-decorated tank with plenty of swimming space.
โ Full Glass Catfish 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 Glass Catfish live with Pea Puffer?
With significant caution and a larger tank. Glass Catfish and Pea Puffer can potentially coexist, but the combination requires careful attention. Their usable pH overlap is narrow and requires stable, tested water. A larger tank (minimum 20 gallons), dense planting, and close monitoring are essential.
What tank size do I need for Glass Catfish and Pea Puffer together?
A minimum of 20 gallons is recommended for keeping Glass Catfish and Pea Puffer together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glass Catfish and Pea Puffer?
74โ79ยฐF โ inside Glass Catfish's 68โ79ยฐF and Pea Puffer's 74โ82ยฐF.
Is a Glass Catfish aggressive toward a Pea Puffer?
Glass Catfish is peaceful and Pea Puffer is semi. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Glass Catfish 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 | 21 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. |