Metynnis hypsauchen
# Metynnis hypsauchen

Metynnis hypsauchen is a species of serrasalmid found in Amazon and Paraguay river basins, as well as rivers of the Guiana Shield. It is one of the fish known as the "silver dollar" in the aquarium trade. It has frequently been confused with the very similar M. argenteus. It reaches a length of 15 cm (5.9 in).

