Metynnis

Metynnis argenteus is very similar to another member of the genus, Metynnis hypsauchen and both fish are sold in the hobby under the name "Silver Dollar". The latter species is sometimes referred to as the Plain Metynnis in an effort to distinguish it from its close relation. They are virtually indentical in terms of appearance and care requirements. The two species can be told apart as m. hypsauchen has a black blotch located slightly above and behind each eye. In addition to these tw...

Metynnis hypsauchen is sometimes referred to as the Plain Metynnis in an effort to distinguish it from its close relation, Metynnis argenteus. Both fish are sold in the hobby under the name "Silver Dollar" and are virtually indentical in terms of appearance and care requirements. The two species can be told apart as m. hypsauchen has a black blotch located slightly above and behind each eye. This species also occurs in a striped colour form which is sometimes referred to as(m. hypsauch...

Metynnis lippincottianus is occasionally seen for sale, sometimes under the name of "Silver Dollar". It is easily distinguishable from m. argenteus and m. hypsauchen (which are more commonly sold as Silver Dollars) by its spotted pattern, hence the common name. M. lippincottianus shares a common name with m. maculatus but the two can be distinguished as the spots on m. maculatus are more pronounced. Silver dollars are common and popular fish in the hobby. They are related to piranh...

Metynnis maculatus