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  • Auchenoglanis biscutatus
  • Auchenoglanis biscutatus
  • Auchenoglanis biscutatus
Jump to next section Cat-eLog Data Sheet
Scientific Name Auchenoglanis biscutatus  (Geoffroy St. Hilaire, 1809)
Common Name Yellow Spiny Catfish
Type Locality Nile R., Egypt
Synonym(s) Auchenaspis biscutatus, Pimelodus biscutatus
Pronunciation bye skoo tah tuss
Etymology Auchenoglanis: From the Greek, auchenos, meaning neck and glanis, meaning catfish; in reference to the long cranial shield. 
Jump to next section Species Information
Size 259mm or 10.2" SL. Find near, nearer or same sized spp.
Identification The genus is diagnosed on the basis of a unique combination of characters: a deep and broad skull, narrow mouth, reduced pramaxillary tooth patches, anterior nostrils on the upper lip, and three large nuchal plates, the first which is in close proximity to the rear of the supraoccipital- a bone on the dorsal side of the great foramen(opening) of the skull.

The body of large specimens is uniformly brown on the sides of the body and dorsally and white ventrally. The other fins have distinct small, closely spaced, spots that do not fuse to form bands. Vague dark spots are on the sides of the body and adipose fin of juveniles. The barbels are dark. The sides and top of the head are brown and without spots. The lower side of the head is white including the lower lip. The anterior edge of the adipose fin rises steeply and reaches its maximum height at a point approximately one half the length of the adipose fin.
General Remarks There is a good chance the size potential of the different species of Auchenoglanis may be much bigger than what is shown on the data pages. Some of the current data comes from studies which do not always use fully grown adult fish, sizes will be adjusted as proof of larger adult sizes are revealed.
Jump to next section Habitat Information
Distribution Restricted to the Nile basin.
African Waters, Nile (click on these areas to find other species found there)

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IUCN Red List Status Least Concern
pH 7.0 - 8.0
Temperature 24.0-26.0°C or 75.2-78.8°F (Show species within this range)
Other Parameters dH 25.
Jump to next section Husbandry Information
Feeding Feeds on the bottom on mud, debris, insects, notably chironomid larvae and mollusks.
Furniture Commonly occurs in running water, lakes and submerged vegetation.
Breeding Unreported. In the wild, gravid fish are recorded throughout the year with a peak in the dry season.
Breeding Reports There is no breeding report.
Jump to next section Further Information
References Poissons du Nile v. 1 (pt 1) - pp - Pl. 14 (fig. 1).
Retzer, ME, 2010. Taxonomy of Auchenoglanis Günther 1865 (Siluriformes: Auchenoglanididae). Zootaxa 2655: 25–51.
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Last Update 2011 Aug 17 04:49 (species record created: 2005 Feb 27 00:00)