Care baseline
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. They thrive in a well-maintained environme
| Temperature | 72–79°F |
| pH | 6.0–7.0 |
| Adult size | 7.9 in |
| Minimum group | 1 |