At first sight this species resembles Barbus because of his non-denticulated rostral lobe and his small non-tuberculated disc .
Dorsal spines (total): 0; Dorsal soft rays (total): 10; Anal spines: 0; Anal soft rays: 8. Diagnosis: Garra allostoma is an insectivorous Garra with a terminal or subterminal mouth and curved or crescentic mouth opening superficially resembling a generalized Barbus; cheek below eye laterally expanded; rostral cap reduced, smooth; mental disc smooth, non tuberculate, posterior border bound to isthmus; upper and lower lips well developed; lower lip non-tuberculate, divided into distinct, lateral and medial portions by a constriction; medial portion of lower lip constricted near symphysis, so that it is bilobate; horny sheaths of upper and lower jaws not greatly enlarged, without trenchant cutting edge; pharyngeal teeth in two rows, 2 or 3,5 . Absence of rostral fimbriae distinguished Garra allostoma from all other Garra, and having only two instead of three pharyngeal tooth rows distinguished it from all others for which the number of rows has been reported . : elongated.
Behavioural data for Garra Allostoma is currently being reviewed.
Diet information for Garra Allostoma is currently being compiled.
Reproduction data for Garra Allostoma is currently being compiled.
Freshwater; benthopelagic. Tropical known from Bamenda highlands of the Niger basin (Ref.
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