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Metynnis

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Genus of fishes

Metynnis
Metynnis hypsauchen
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Serrasalmidae
Genus: Metynnis
Cope, 1878
Type species
Metynnis luna
Cope, 1878

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 (both fast- and slow-flowing), to floodplains, flooded forests, lakes, pools and reservoirs. They generally reach 8–15 cm (3–6 in) in standard length, although a few species may reach up to 18 cm (7 in). 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:

Species Image
Metynnis altidorsalis

C. G. E. Ahl, 1923

Metynnis argenteus (silver dollar)

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 (silver dollar)

(J. P. Müller & Troschel, 1844)

Metynnis lippincottianus (spotted silver dollar)

(Cope, 1870)

Metynnis longipinnis (silver dollar)

Zarske & Géry, 2008

Metynnis luna

Cope, 1878

Metynnis maculatus (spotted metynnis)

(Kner, 1858)

Metynnis melanogrammus

Ota, Rapp Py-Daniel & Jégu, 2016

Metynnis mola

C. H. Eigenmann & C. H. Kennedy, 1903

Metynnis orinocensis

(Steindachner, 1908)

Metynnis otuquensis

C. G. E. Ahl, 1923

Metynnis polystictus (silver dollar)

Zarske & Géry, 2008

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Metynnis". FishBase. May 2017 version.
  2. ^ van der Sleen, P.; J.S. Albert, eds. (2017). Field Guide to the Fishes of the Amazon, Orinoco, and Guianas. Princeton University Press. p. 183-184. ISBN 978-0691170749.
  3. Ota, R.P., Rapp Py-Daniel, L.H. & Jégu, M. (2016): A new Silver Dollar species of Metynnis Cope, 1878 (Characiformes: Serrasalmidae) from Northwestern Brazil and Southern Venezuela. Neotropical Ichthyology, 14 (4): e160023.
Taxon identifiers
Metynnis


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