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Serrasalmidae Myleus cf rubripinnis (5807048424).jpg
Myloplus rubripinnis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Serrasalmidae
Genus: Myloplus
Type species
Myletes asterias
J. P. Müller & Troschel, 1844

Myloplus is a genus of freshwater fish in the family Serrasalmidae found in tropical and subtropical South America, where they inhabit rivers and streams (both slow and fast-flowing).[1] They are primarily herbivores, but also take some animal matter.[1] Depending on the exact species, they reach up to 16–56 cm (0.5–1.8 ft) in standard length.[2] Adult males have a double-lobed anal fin and filamentous extensions on the dorsal fin, and both sexes (but especially males) can be brightly colored when breeding.[1]


There are currently 14 recognized species in this genus.[2][3] Many of these were formerly included in Myleus.[3]


  1. ^ a b c van der Sleen, P.; and J.S. Albert, eds. (2017). Field Guide to the Fishes of the Amazon, Orinoco, and Guianas. Princeton University Press. p. 185-186. ISBN 978-0691170749.
  2. ^ a b Froese, Rainer, and Daniel Pauly, eds. (2017). Species of Myloplus in FishBase. October 2017 version.
  3. ^ a b Ota, R.P., Röpke, C.P., Zuanon, J. & Jégu, M. (2013): Serrasalmidae. In: Queiroz, L.J., Torrente-Vilara, G., Ohara, W.M., Pires, T.H.S., Zuanon, J. & Doria, C.R.C. (Eds.), Peixes do rio Madeira. Volume II, Santo Antonio Energia, São Paulo, 12–47.
  4. ^ Andrade, M.C., Ota, R.P., Bastos, D.A. & Jégu, M. (2016): A new large Myloplus Gill 1896 from rio Negro basin, Brazilian Amazon (Characiformes: Serrasalmidae). Zootaxa, 4205 (6): 571–580.
  5. ^ Andrade, Marcelo C. ; Michel Jégu; and Cecile S. Gama (2018). A New Species of Myloplus Gill (Characiformes, Serrasalmidae) from the Tumucumaque Mountain Range, Brazil and French Guiana, with Comments on M. rubripinnis. Zootaxa. 4403(1); 111–122. doi:10.11646/zootaxa.4403.1.6
  6. ^ Andrade, M.C., Jégu, M. & Giarrizzo, T. (2016): A new large species of Myloplus (Characiformes, Serrasalmidae) from the Rio Madeira basin, Brazil. ZooKeys, 571: 153–167.