Cobitis oxycephala

materials_examined

Holotype. ♂, IHB 0509273, 67.7 mm TL, 57.9 mm SL, China, Hainan, Ding’an County (19 ° 68 ′ N, 110 ° 36 ′ E; elev. 65 m), the Nandujiang River, July 2005, leg. Kun Li. Paratypes. IHB 0509392 – 9, 0509401 – 5, 13 ♂, 63.1 – 70.3 mm TL, 51.8 – 59.1 mm SL, IHB 509400, 0509406 – 7, 3 ♀, 74.6 – 84.7 mm TL, 61.6 – 71.6 mm SL, same data as holotype. Diagnosis. The new species can be distinguished from its congeners by possessing the following combination of characteristics: 13 – 15 large rectangular blotches on L 1; 10 – 14 elongated blotches on L 5; snout sharp (Figs 2 – 3); males with a semicircular lamina circularis at the base of the first branched pectoral fin ray (Fig. 4); mental lobes undeveloped, three superficial longitudinal lobes short and bluntly rounded (Fig. 5); suborbital spine thick and curved, with a short processus medio-caudalis (Fig. 6). Cobitis oxycephala Chen YX & Chen YF, sp. nov. is similar to C. sinensis, C. dolichorhynchus and C. zhejiangensis in color pattern (with L 1 – L 5 line on the body) and lamina circularis morphology (plate-like), but differs from them in having snout sharp (vs. rounded); 10 – 14 horizontally elongated blotches and without the deeper faint

Two new species of the genus Cobitis (Cypriniformes: Cobitidae) from South China