Knodus Explained

Knodus is a genus of characins, small freshwater fish from South America.

Species

There are currently 25 recognized species of this genus:

• Knodus borki Zarske, 2008
• Knodus breviceps (C. H. Eigenmann, 1908)
• Knodus caquetae Fowler, 1945
• Knodus chapadae (Fowler, 1906)
• Knodus delta Géry, 1972
• Knodus dorsomaculatus K. M. Ferreira & Netto-Ferreira, 2010
• Knodus figueiredoi Esguícero & R. M. C. Castro, 2014^[1]
• Knodus gamma Géry, 1972
• Knodus geryi F. C. T. Lima, Britski & Machado, 2004
• Knodus heteresthes (C. H. Eigenmann, 1908)
• Knodus hypopterus (Fowler, 1943)
• Knodus longus Zarske & Géry, 2006
• Knodus megalops G. S. Myers, 1929
• Knodus meridae C. H. Eigenmann, 1911
• Knodus mizquae (Fowler, 1943)
• Knodus moenkhausii (C. H. Eigenmann & C. H. Kennedy, 1903)
• Knodus nuptialis Menezes & Marinho, 2019^[2]
• Knodus orteguasae (Fowler, 1943)
• Knodus pasco Zarske, 2007
• Knodus savannensis Géry, 1961
• Knodus septentrionalis Géry, 1972
• Knodus shinahota K. M. Ferreira & Carvajal-Vallejos, 2007
• Knodus smithi (Fowler, 1913)
• Knodus tiquiensis K. M. Ferreira & F. C. T. Lima, 2006
• Knodus victoriae (Steindachner, 1907)
• Knodus ytuanama Katiane M. Ferreira and Willian Massaharu Ohara. 2022^{[3] [4]}

Notes and References

1. Esguícero, A.L.H. & Castro, R.M.C. (2014): Knodus figueiredoi, a new characid from the Rio das Garças, upper Rio Araguaia basin, Brazil, with comments on the taxonomic limits of the genera Knodus and Bryconamericus (Teleostei: Characidae). Ichthyological Exploration of Freshwaters, 25 (1): 39-48.
2. Menezes, N.A., and M.M.F. Marinho (2019). A New Species of Knodus Eigenmann (Characiformes: Characidae: Stevardiinae) with Comments on Nuptial Tubercles and Gill Gland in Characiform Fishes. PLoS ONE 14(7): e0217915.
3. Katiane M. Ferreira and Willian Massaharu Ohara. 2022. A New Rheophilic Species of Knodus Eigenmann (Characiformes: Characidae: Stevardiinae) from the upper rio Juruena, rio Tapajós basin, Chapada dos Parecis, Mato Grosso, Brazil. Zootaxa. 5227(3); 365-377; DOI: 10.11646/zootaxa.5227.3.5
4. Researchgate.net/publication/366920030_A_new_species_of_Knodus_from_the_upper_rio_Juruena_Mato_Grosso_Brazil