Diagnostic Description
provided by Fishbase
Glyptothorax clavatus can be diagnosed from all its congeners by the possession of the following characters: elliptical thoracic adhesive apparatus with a chevron-shaped median depression; striae on the ventral surface of pectoral-fin spine and first pelvic-fin ray absent; dense tuberculation present all over the body; tubercles short triangular-shaped; distinct light cream midlateral stripe running along the entire length of the body and a light cream mid-dorsal stripe; caudal peduncle depth 8.6-10.1% SL; dorsal spine length 17.1-18.8% SL; gill rakers 2+7 on the first branchial; and vertebrae 18+19 (Ref. 97352).
Morphology
provided by Fishbase
Dorsal spines (total): 1; Dorsal soft rays (total): 6; Analsoft rays: 12; Vertebrae: 37