Hydrolycus
| Hydrolycus | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Characiformes |
| Family: | Cynodontidae |
| Genus: | Hydrolycus (J. P. Müller & Troschel, 1844) |
Hydrolycus is a genus of dogtooth characins from tropical South America. In 1999 two species were discovered, the first in this genus in 158 years. The Latin Word is Hoplias aimara. The fish is a predatory fish, which resides mostly in South America. It has teeth, which are parallel, with surface ridges. They have two layers of dentine, which the top layer is flat capped, and the inner layer which is circumpulpal dentine.
Species
There are currently four described species.
- Hydrolycus armatus (Jardine, 1841)
- Hydrolycus scomberoides (G. Cuvier, 1819) (Payara)
- Hydrolycus tatauaia (Toledo-Piza, Menezes & dos Santos, 1999)
- Hydrolycus wallacei (Toledo-Piza, Menezes & dos Santos, 1999)
References
- Froese, Rainer, and Daniel Pauly, eds. (2011). Species of Hydrolycus in FishBase. October 2011 version.
Meunier, F. J., De Mayrinck, D., & Brito, P. M. (2015). Presence of plicidentine in the labial teeth of Hoplias aimara (Erythrinidae; Ostariophysi; Teleostei). Acta Zoologica, 96(2), 174-180. doi:10.1111/azo.12065
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