Scientific Name. Metynnis argenteus.

Comments
Silver Dollars are relatives of the Piranha. But Silver Dollars are mainly vegetarians that will adapt to eat almost anything. Six or more Silver Dollars make a beautiful school in a large aquarium.

Appropriate Home
Silver Dollars will soon need an aquarium with at least 50 gallons of water, an exterior power filter with a BIO-Wheel, a maximum of 1/4 inch of gravel, and an aquarium heater adjusted to keep the water between 78 and 82 degrees F. Click here for more about warm water aquariums.

Recommended Diet
Silver Dollars are vegetarians that will do well on floating flake food, when they are small. Later feed them a pellet food. Click here for more about feeding fish. Even though Silver Dollars are said to eat only vegetation in their natural habitats, they seem to enjoy eating a few Black Worms. Click here for more about Black Worms.

Compatibility
Silver Dollars are schooling fish and should be kept in a group with at least six Silver Dollars. Silver Dollars are good tank mates for Angels that are about the same size as the Silver Dollars. Swordtails and Mollies. Also White Tip Shark Cats, Plecostomus Catfish, and Pictus Catfish are also good tank mates for Silver Dollars.

Silver Dollars are often seen in aquariums with Gouramis, Giant Danios, Rainbows, a group of Bala Sharks, and a group of Clown Loaches. Large Silver Dollars are sometimes seen in large aquariums with Neotropical Cichlids such as Jack Dempseys, Firemouths, and even Oscars. But of course the Silver Dollars must be large and swim very fast to stay away from the aggressive cichlids. Click here to read more about several groups of compatible fish.

Size and Life Span
Silver Dollars can grow to 6" and probably larger. They live for several years.