Aphanotorulus is a genus of armored catfishes native to the Amazon, Orinoco, Essequibo and Jaguaribe basins in South America.[2][1] They typically occur on a sand or gravel bottom in slow to moderately flowing rivers and streams,[3] but some species occur in areas with fast current.[4] The largest species in the genus reaches up to 51 cm (20 in) in standard length.[3]
| Aphanotorulus | |
|---|---|
| |
| Aphanotorulus sp. | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Tribe: | Hypostomini |
| Genus: | Aphanotorulus Isbrücker & Nijssen, 1983 |
| Synonyms | |
|
Squaliforma Isbrücker & Michels, 2001[1] | |
Taxonomy edit
The taxonomy of this genus has been a matter of dispute, all having been placed in Hypostomus in the past, and some occasionally placed in Squaliforma. Squaliforma is now regarded as a synonym of Aphanotorulus, but species west of the Andes have been moved to Isorineloricaria.[1]
There are currently 7 recognized species of Aphanotorulus:[1][4]
- Aphanotorulus ammophilus Armbruster & Page, 1996
- Aphanotorulus emarginatus (Valenciennes, 1840)
- Aphanotorulus gomesi (Fowler, 1941)
- Aphanotorulus horridus (Kner, 1854)
- Aphanotorulus phrixosoma (Fowler, 1940)
- Aphanotorulus rubrocauda Oliveira, Py-Daniel & Zawadzki, 2017
- Aphanotorulus unicolor (Steindachner, 1908)
Of these species, the validity of A. phrixosoma is questionable, as the only known specimen likely is a hybrid between A. horridus and A. unicolor.[1]
References edit
- ^ a b c d e Ray, C.K. & Armbruster, J.W. (2016): The genera Isorineloricaria and Aphanotorulus (Siluriformes: Loricariidae) with description of a new species. Zootaxa, 4072 (5): 501–539.
- ^ Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Aphanotorulus in FishBase. May 2017 version.
- ^ a b van der Sleen, P.; J.S. Albert, eds. (2017). Field Guide to the Fishes of the Amazon, Orinoco, and Guianas. Princeton University Press. p. 267. ISBN 978-0691170749.
- ^ a b Oliveira, A.S.; L.R. Py-Daniel; C.H. Zawadzki (2017). "A new species of Aphanotorulus (Siluriformes: Loricariidae) from the rio Aripuanã basin, Brazil". Neotrop. Ichthyol. 15 (1). doi:10.1590/1982-0224-20160034.
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