Xyliphius anachoretes

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Taxonavigation: Siluriformes 

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Siluriformes

Familia: Aspredinidae
Genus: Xyliphius
Species: Xyliphius anachoretes


Xyliphius anachoretes Figueiredo & Britto, 2010

Holotype: MNRJ 31923. [Paratype: MZUSP 89546, (1)].

Type locality: Brazil, Goiás, rio Tocantins below the dam of Serra da Mesa Hydropower Plant, in a marginal pond at the mouth of rio Preto, an affluent of the right bank of rio Tocantins (currently under water of the Cana Brava Hydropowerplant reservoir), 13° 37’ 51” S, 48° 07’ 01” W.

Etymology: The species name anachoretes is Greek, meaning "one that retired from the world" (a hermit or recluse), in allusion to the rarity of the only two specimens known, each one found alone and far apart. An adjective.


  • Figueiredo, C. A. & Britto, M. R. (2010): A new species of Xyliphius, a rarely sampled banjo catfish (Siluriformes: Aspredinidae) from the rio Tocantins-Araguaia system. Neotropical Ichthyology, 8 (1): 105–112.