Silver dollar (fish)
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Silver dollar is a common name given to a number of species of fishes, mostly in the genus Metynnis, tropical fish belonging to the family Serrasalmidae which are closely related to piranha and pacu.
Silver dollar Metynnis argenteus
An 1865 watercolor painting of a silver dollar by Jacques Burkhardt.
Metynnis argenteus
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Metynnis argenteus is a species of freshwater ray-finned fishes belonging to the family Serrasalmidae, which includes the pacus, piranhas and related fishes. This fish is endemic to the Tapajós River
Silver dollar (fish)
…genus Metynnis, tropical fish belonging to the family Serrasalmidae which are closely related to piranha and pacu. Most commonly, the name refers to Metynnis argenteus. Native to South America, these somewhat round-shaped silver fish are popular with fish-keeping hobbyists. The silver dollar is a peaceful schooling…
A large school of M. argenteus