Two new species of glyptosternine catfish of the genus Sineuchiloglanis (Teleostei, Siluriformes, Sisoridae) from the upper Yangtze River drainage, China Author Lv, Hai-Min https://orcid.org/0009-0009-7713-6022 Institute of Hydrobiology, Chinese Academy of Sciences, No. 7 Donghu South Road, Wuchang District, Wuhan 43007, China & University of Chinese Academy of Sciences, No. 1 Yanqi Lake East Road, Huairou District, Beijing 101408, China Author He, De-Kui 0000-0002-4001-826X Institute of Hydrobiology, Chinese Academy of Sciences, No. 7 Donghu South Road, Wuchang District, Wuhan 43007, China Author Lei, Chun-Yun Yunnan Institute of Fishery Sciences Research, No. 25 Dianchi Road, Xishan District, Kunming, Yunnan 650111, China Author Liu, Fei 0000-0003-4404-0971 Institute of Hydrobiology, Chinese Academy of Sciences, No. 7 Donghu South Road, Wuchang District, Wuhan 43007, China text ZooKeys 2026 2026-02-04 1268 139 162 journal article 314134 10.3897/zookeys.1268.173139 b435e2e6-d1bb-4f5d-8111-85b5cfe5093a 4E76E399-EAD2-4FAA-A95F-D599AC4982A5
Main characteristics for comparison among species of Sineuchiloglanis from the Yangtze River drainage, China.
CharactersSineuchiloglanis chishuiensis sp. nov.Sineuchiloglanis baishuiensis sp. nov.Sineuchiloglanis hupingshanensisSineuchiloglanis chuiSineuchiloglanis anteanalisSineuchiloglanis robustaSineuchiloglanis sichuanensis
Dorsal-fin rayi, 5 1 / 2i, 5 1 / 2i, 4 1 / 2i, 4 1 / 2i, 5 1 / 2i, 5 1 / 2i, 5 1 / 2
Pectoral-fin rayi, 12–13i, 12–14i, 13–14i, 13–14i, 13–14i, 14–15i, 13–14
Pelvic-fin rayi, 5i, 5i, 5i, 5i, 5i, 5i, 5
Anal-fin rayi, 4 1 / 2i, 4 1 / 2i, 3 1 / 2i, 3 1 / 2i, 3 1 / 2i, 4 1 / 2i, 4 1 / 2
Caudal-fin rayi, 7 + 8, ii, 7 + 8, ii, 7 + 8, ii, 6 + 7, ii, 6 + 7, ii, 7 + 8, ii, 7 + 8, i
Vertebra number13 + 25 = 38 (n = 1); 13 + 24 = 37 (n = 1); 12 + 24 = 36 (n = 2)13 + 23 = 36 (n = 2); 13 + 24 = 37 (n = 2)13 + 24 = 37 (n = 1); 13 + 23 = 36 (n = 1); 13 + 25 = 38 (n = 2)12 + 21 = 33 (n = 1); 12 + 20 = 32 (n = 1); 11 + 21 = 32 (n = 2)12 + 22 = 34 (n = 2); 13 + 21 = 34 (n = 1); 12 + 21 = 33 (n = 1)12 + 21 = 33 (n = 1)19 + 15 = 34 (n = 2)
Lower corner of gill openingOpposite base of the second and third pectoral-fin elementsOpposite base of the fourth and fifth pectoral-fin elementsOpposite base of the fourth and fifth pectoral-fin elementsOpposite base of the second and third pectoral-fin elementsOpposite base of the second and third pectoral-fin elementsOpposite base of the fourth and fifth pectoral-fin elementsOpposite base of the second and third pectoral-fin elements
Maxillary barbel tipNot reaching or extending beyond lower gill-opening cornerNot reaching lower gill-opening cornerExtending beyond lower gill-opening cornerNot reaching or reaching lower gill-opening cornerReaching or extending beyond lower gill-opening cornerNot reaching lower gill-opening cornerReaching lower gill-opening corner
Nasal barbel tipNot reaching anterior orbitalNot reaching anterior orbitalExtending beyond anterior orbitalExtending beyond anterior orbital and not reaching posterior orbitalNot reaching or reaching anterior orbitalNot reaching anterior orbitalExtending beyond posterior orbital
Pectoral-fin tipNot reaching, reaching, or extending beyond pelvic-fin originNot reaching or reaching pelvic-fin originNot reaching pelvic-fin originNot reaching pelvic-fin originReaching or extending beyond pelvic-fin originNot reaching pelvic-fin originReaching pelvic-fin origin
Pelvic-fin tipReaching or extending beyond anusNot reaching, reaching, or extending beyond anusNot reaching anusReaching or extending beyond anusReaching or extending beyond anusNot reaching or reaching anus (♀); extending beyond anus (♂)Not reaching anus (♀); reaching anus (♂)