Fig. 2 in A Review Of The Catfish Genus Pseudexostoma (Siluriformes: Sisoridae) With Description Of A New Species From The Upper Salween (Nujiang) Basin Of China

Fig. 2. Ventral view of lower lip. A–B, depth of middle notch shallower than depth of lateral ones, and length of two smaller median lobes of lower lip longer than lateral lobes (A, P. brachysoma, SWFC 9910051, 118 mm SL; B, P. longipterus, SWFC 200308022, holotype, 82.1 mm SL); C, Depth of middle notch the same as depth of lateral ones, and length of two smaller median lobes of lower lip the same as lateral lobes (P. yunnanensis, SWFC 200102201, 111 mm SL).