Hemiodus
| Hemiodus Temporal range:
| |
|---|---|
| |
| Hemiodus quadrimaculatus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Hemiodontidae |
| Genus: | Hemiodus J. P. Müller, 1842 |
| Synonyms | |
|
Hemiodopsis | |
Hemiodus is a genus of halftooths from South America with the greatest species richness in the Amazon Basin, but also found in the Orinoco, Essequibo, Paraná–Paraguay and Parnaíba River basins.[1] Depending on the species involved, these elongate fish reach a length of 7–30 cm (3–12 in).[1]
Fossil remains are known from the Middle Miocene-aged Pebas Formation of Peru.[2]
Species
[edit]There are currently 21 recognized species in this genus:[3]
- Hemiodus amazonum (Humboldt, 1821)
- Hemiodus argenteus Pellegrin, 1909
- Hemiodus atranalis (Fowler, 1940)
- Hemiodus goeldii Steindachner, 1908
- Hemiodus gracilis Günther, 1864
- Hemiodus huraulti (Géry, 1964)
- Hemiodus immaculatus Kner, 1858
- Hemiodus iratapuru Langeani & C. L. R. Moreira, 2013 [4]
- Hemiodus jatuarana Langeani, 2004
- Hemiodus langeanii Beltrão & Zuanon, 2012[1]
- Hemiodus microlepis Kner, 1858
- Hemiodus orthonops C. H. Eigenmann & C. H. Kennedy, 1903
- Hemiodus parnaguae C. H. Eigenmann & Henn, 1916
- Hemiodus quadrimaculatus Pellegrin, 1909 (Barred hemiodus)
- Hemiodus semitaeniatus Kner, 1858 (Halfline hemiodus)
- Hemiodus sterni (Géry, 1964)
- Hemiodus ternetzi G. S. Myers, 1927
- Hemiodus thayeria J. E. Böhlke, 1955
- Hemiodus tocantinensis Langeani, 1999
- Hemiodus unimaculatus (Bloch, 1794)
- Hemiodus vorderwinkleri (Géry, 1964)
References
[edit]- ^ a b c Beltrão, H. & Zuanon, J. (2012): Hemiodus langeanii (Characiformes: Hemiodontidae), a new species from rio Amana, rio Maués-Açú drainage, Amazon basin, Brazil. Neotropical Ichthyology, 10 (2): 255-262.
- ^ Carrillo-Briceño, Jorge D.; Aguilera, Orangel A.; Benites-Palomino, Aldo; Hsiou, Annie S.; Birindelli, José L. O.; Adnet, Sylvain; Cadena, Edwin-Alberto; Scheyer, Torsten M. (2021-12-20). "A historical vertebrate collection from the Middle Miocene of the Peruvian Amazon". Swiss Journal of Palaeontology. 140 (1): 26. Bibcode:2021SwJP..140...26C. doi:10.1186/s13358-021-00239-7. ISSN 1664-2384.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Hemiodus". FishBase. February 2014 version.
- ^ Langeani, F. & Moreira, C.R. (2013): Hemiodus iratapuru, a new species of Hemiodontidae from the Rio Jari, Amazon Basin, Brazil (Teleostei, Characiformes). Journal of Fish Biology, 82 (4): 1259–1268.
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