Squaliforma

<i>Aphanotorulus</i>

Aphanotorulus

Genus of fishes

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]

Quick Facts Aphanotorulus, Scientific classification ...

Taxonomy

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]

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

  1. [1]
    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.
  2. [2]
    Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Aphanotorulus in FishBase. May 2017 version.
  3. [3]
    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.
  4. [4]
    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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