Silver dollars are a tall, flat, ray finned fish. Usually a uniform silver color, but can have small patches of red coloration on their fins or throat. They tend to grow up to 6” in length, with males being smaller than females.
Habitat
Inland wetlands
Diet
Primarily aquatic plants, but will opportunistically eat small invertebrates.
Life History
During courting and mating season, male silver dollars will develop two large, black spots at the base of their pectoral fins. Those with reds may show a vibrance in color as well.
This animal is not found on the Oregon Coast. It can be found at the Oregon Coast Aquarium as part of our temporary exhibit Amazon Basin: Adventure for the Senses.
They are one of several fish that will often be referred to as a silver dollar that you may see in Aquariums–Metynnis argenteus and Metynnis hypsauchen are both often referred to as a silver dollar.
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