Metynnis
Metynnis is a genus of serrasalmid fish from tropical and subtropical South America. They are herbivorous or omnivorous, and inhabit a wide range of freshwater habitats, ranging from rivers and streams, to floodplains, flooded forests, lakes, pools and reservoirs. They generally reach in standard length, although a few species may reach up to. The genus contains many of the species known as silver dollars in the aquarium trade.Species
There are currently 15 recognized species in this genus:
- Metynnis altidorsalis C. G. E. Ahl, 1923
- Metynnis argenteus C. G. E. Ahl, 1923
- Metynnis cuiaba Pavanelli, Ota & Petry, 2009
- Metynnis fasciatus C. G. E. Ahl, 1931
- Metynnis guaporensis C. H. Eigenmann, 1915
- Metynnis hypsauchen
- Metynnis lippincottianus
- Metynnis longipinnis Zarske & Géry, 2008
- Metynnis luna Cope, 1878
- Metynnis maculatus
- Metynnis melanogrammus Ota, Rapp Py-Daniel & Jégu, 2016
- Metynnis mola C. H. Eigenmann & C. H. Kennedy, 1903
- Metynnis orinocensis
- Metynnis otuquensis C. G. E. Ahl, 1923
- Metynnis polystictus Zarske & Géry, 2008
