Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, P. R. China.
University of Chinese Academy of Sciences, Beijing, P. R. China.
J Fish Biol. 2024 Feb;104(2):433-449. doi: 10.1111/jfb.15347. Epub 2023 Mar 6.
Two new species of Leptobotia are here described as L. rotundilobus from the Xin'an-Jiang of the upper Qiantang-Jiang basin in both Anhui and Zhejiang Provinces and the Cao'e-Jiang in Zhejiang Province, and L. paucipinna from the Qing-Jiang of the middle Chang-Jiang basin in Hubei Province, South China. Both have a plain brown body as found in L. bellacauda Bohlen & Šlechtová, 2016, L. microphthalma Fu & Ye, 1983, L. posterodorsalis Chen & Lan, 1992 and L. tientainensis (Wu, 1930). The two new species are distinct from these species in vertebral counts, further from L. posterodorsalis in vent placement and further from the other three species in pectoral-fin length. Both differ in caudal-fin coloration and shape, and dorsal-fin location and coloration, and also in internal morphology. Their validity is confirmed by their own monophyly recovered in a phylogenetic analysis based on the mitochondrial cyt b and COI genes.
本文描述了产自安徽和浙江新安江上游钱江流域以及浙江曹娥江的圆斑𬶐 Leptobotia rotundilobus 和产自中国南方湖北清江中游的短须𬶐 Leptobotia paucipinna 两个新种。它们都具有与 Bohlen & Šlechtová, 2016、Fu & Ye, 1983、Chen & Lan, 1992 和 Wu, 1930 记录的 L. bellacauda、L. microphthalma、L. posterodorsalis 和 L. tientainensis 相似的棕色素色身体。这两个新种与这些种在椎骨数量上不同，与 L. posterodorsalis 在腹鳍位置上不同，与其他三个种在胸鳍长度上不同。它们在尾鳍颜色和形状、背鳍位置和颜色以及内部形态上也有所不同。通过基于线粒体 cyt b 和 COI 基因的系统发育分析，它们的单系性得到了确认。
