[2] Named for Arianna Carotta who collected the specimens used for the species description, along with the author.

[2] Generally very similar to other lake populations of barbels.

Body colour uniformly silver in adults and speckled by brownish, irregular spots in juveniles.

Median lobe of the posterior lip moderately compressed.

The SL of the holotype was 105 mm (4.1 in) and when compared to similar sized syntypes, the number of scales along the lateral line was reduced to 39-43, from 50-57.