Auchenoglanis biscutatus (Geoffroy Saint-Hilaire, 1809)

Description


Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 6 - 8. Diagnosis: head broad (width at least 2/3 of length); snout length less than 0.9 times head width; hind margin of adipose fin nearly straight; premaxillary dentition forming (in adults) 2 well separated, kidney-shaped plates; maxillary barbels never black and reaching at least to hind margin of eye; 8-11 (usually 9 or 10) gill rakers on lower limb of first gill arch; palatine membrane bilobed (with a large and a smaller lobe); dorsal margin of cleithral process broad and flat (visible only in adults)(Ref. 57126).

Taxonomic Hierarchy


Kingdom: Animalia

Phylum: Chordata

Class: Teleostei

Order: Siluriformes

Family: Claroteidae

Genus: Auchenoglanis

Species: Auchenoglanis biscutatus (Geoffroy Saint-Hilaire, 1809)

Climate Zone


  • Tropical
  • Location


  • Africa: West African rivers from Senegal to Chad basins, and more east in the Nile and Lake Turkana basins (Ref. 96687).
  • Biology


    Commonly occurs in running water, lakes and submerged vegetation in the Sudd, rare in fringing vegetation. Feeds on the bottom on mud, debris, insects, notably chironomid larvae and mollusks. Gravid fish are recorded throughout the year with a peak in the dry season (Ref. 28714).

    Habitat


    demersal