The Silver Dollar or Metynnis argenteus is a freshwater fish that gets its name from its round shape and silver coloration. Originating in South America, this fish is often kept in an aquarium and is considered to be very easy to care for. They are also inexpensive and can be kept in groups of three or more so they work well in community aquariums. They rarely reach more than 6" in length and can live up to 10 years old. The males of this species will normally have a bit of red on their anal fins.
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