biostudies-literatureUnknown1238Wang L<i>Sinocyclocheiluszhenningensis</i> <b>sp. nov.</b> from the Dabang-He of the Beipan-Jiang Basin in Zhenning County, Guizhou Province, China, is described based on morphological and molecular evidence. The new species can be distinguished morphologically from all congeners in this genus by: (1) normal eyes (5.8%-8.2% SL), presence of pigmentation, with a humpback and no horn structure; (2) pelvic fin rays ii-8, dorsal-fin rays iii-8, stiff and stout last unbranched ray; (3) body depth normal (26.5%-30.1% SL) and covered with irregular black spots, body scaled, but scales buried beneath the skin; (4) lateral line complete, slightly curved ventrally, 42-47 lateral line pored scales; and (5) pectoral fin short, not reaching the anterior base of pelvic fin. Based on the mitochondrial cytochroZooKeys99-114https://www.ebi.ac.uk/biostudies/studies/S-EPMC12093114biostudies-literatureA new species of &lt;i&gt;Sinocyclocheilus&lt;/i&gt; (Cypriniformes, Cyprinidae) from the Beipan-Jiang in Guizhou, China.PMC12093114Luo QZhang RWang LfalseA new species of &lt;i&gt;Sinocyclocheilus&lt;/i&gt; (Cypriniformes, Cyprinidae) from the Beipan-Jiang in Guizhou, China.<i>Sinocyclocheiluszhenningensis</i> <b>sp. nov.</b> from the Dabang-He of the Beipan-Jiang Basin in Zhenning County, Guizhou Province, China, is described based on morphological and molecular evidence. The new species can be distinguished morphologically from all congeners in this genus by: (1) normal eyes (5.8%-8.2% SL), presence of pigmentation, with a humpback and no horn structure; (2) pelvic fin rays ii-8, dorsal-fin rays iii-8, stiff and stout last unbranched ray; (3) body depth normal (26.5%-30.1% SL) and covered with irregular black spots, body scaled, but scales buried beneath the skin; (4) lateral line complete, slightly curved ventrally, 42-47 lateral line pored scales; and (5) pectoral fin short, not reaching the anterior base of pelvic fin. Based on the mitochondrial cytochro2025-01-01T00:00:00Z20252026-04-08T18:59:44.97Z2026-04-08T11:24:27.193ZS-EPMC120931144040103410.3897/zookeys.1238.136371