Clarias hilli Fowler 1936

Head rectangular to oval-shaped dorsally; snout broadly rounded; eyes laterally placed. Frontal fontanelle long and narrow; occipital fontanelle small and oval-shaped. Supraorbital and `dermosphenotic' bones separate but not reduced. Tooth plates broad. Pectoral spine slightly curved; outer side with strong, downward serrations. Gill rakers short and squat, although distantly set. Suprabranchial organ rather primitive. Openings of the secondary sensory canals display a regular pattern.

Dorsal spines (total): 0; Dorsal soft rays (total): 76 - 87; Analsoft rays: 63 - 69; Vertebrae: 60 - 64