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Freshwater fishSilver Dollar
Silver Dollar
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The silver dollar is a larger schooling fish of the streams and rivers of the Amazon basin. Silver dollars are one of the hardiest fish in the aquarium trade and have been sold in the trade since the late 1890s. These fish will outgrow small aquariums, so be prepared to move up. Known as a peaceful community fish, the general rule applies: do not keep with fish that can fit in their mouths. A school of four makes a nice, flashy display. Silver in body, many of the wild schools also have a muted spotted pattern, but without the green hue of the "spotted silver dollar".
Quick Facts
| Scientific Name | Metynnis argenteus |
| Origin | Amazon basin, South America |
| Care Level | Easy |
| Temperament | Peaceful |
| Adult Size | Up to 6" |
| Lifespan | 10+ years |
| Diet | Herbivore (plant-based foods) |
| Water Temperature | 75–82°F |
| pH | 6.0–7.5 |
| Group Size | Does best in a group |
| Shipping Size | Approx. 1½" |
Care Guide
Tank setup: Silver dollars are active schooling fish. Give them open swimming space, a tight lid and sturdy or artificial plants, since they eat soft plants.
Feeding: Feed a quality flake or pellet with vegetable content once or twice a day. They also enjoy vegetable foods like peas.
Tankmates: They are peaceful and get along with other medium to large fish such as larger tetras, plecos, parrots and peaceful cichlids.
Good to know: Silver dollars are a calm schooling fish that look best in a group with open swimming space.
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