Glass Catfish and Silver Dollar Compatibility Overview
Glass Catfish and Silver Dollar can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
| Factor | Glass Catfish | Silver Dollar | Verdict |
|---|---|---|---|
| Temperature | 68โ79ยฐF | 75โ82ยฐF | โ 75โ79ยฐF |
| pH Range | 4.0โ7.0 | 6.0โ7.0 | โ 6.0โ7.0 |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 2.6 in | 5.9 in | โ ๏ธ 2.3ร difference |
| Min. Group | 6+ | 5+ | See below |
| Min. Tank Size | 75 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
Silver Dollar โ Metynnis argenteus
The Metynnis argenteus, known as the Silver Dollar fish, is a popular freshwater species with a distinctive silver color and disc-shaped body. They require a spacious tank and are best kept in groups to prevent bullying. Their peaceful nature makes them suitable for community tanks, but they are not known to school.
Frequently Asked Questions
Can Glass Catfish live with Silver Dollar?
Yes, in a well-planned setup. Glass Catfish and Silver Dollar can generally share an aquarium with appropriate planning. Both species prefer overlapping temperature and pH ranges. Both species are peaceful, and neither poses a major aggression risk to the other. A minimum 75-gallon tank is recommended to provide adequate territory and water volume for both species.
What tank size do I need for Glass Catfish and Silver Dollar together?
A minimum of 75 gallons is recommended for keeping Glass Catfish and Silver Dollar together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Glass Catfish and Silver Dollar?
75โ79ยฐF โ inside Glass Catfish's 68โ79ยฐF and Silver Dollar's 75โ82ยฐF.
Is a Glass Catfish aggressive toward a Silver Dollar?
Glass Catfish is peaceful and Silver Dollar is peaceful. No major aggression issues are expected between these species.
Related Compatibility Guides
Tank Size for Glass Catfish and Silver Dollar
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 75 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 125 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 150 gal | Best when keeping larger schools or reducing territorial pressure. |