FIGURE 2 in Parakysis hystriculus, a new species of catfish (Siluriformes: Akysidae) from Sumatra

FIGURE 2. Posterior portion of bodies in: a. Parakysis hystriculus, ZRC 51418, male paratype, 26.0 mm SL (above) and ZRC 51418, female paratype, 25.7 mm SL (below); b. P. grandis, ZRC 38632, male paratype, 24.2 mm SL (above) and ZRC 39178, female paratype, 29.3 mm SL (below), showing difference in anal-fin shape. Images not to scale.