澜沧江的沙鳅属鱼类(英文)

通过最近的整理,澜沧江共有沙鳅属鱼类3种,它们是斑鳍沙鳅Botia beaufortiSmith、中华沙鳅B.superciliaris Gnther、黑线沙鳅(新种)B.nigrolineata.黑线沙鳅为新种,鉴别特征是沿背中和体侧有显著的黑色纵条,起自头后止于尾鳍基。首次提出云南沙鳅Botia yunnanensis Chen可能是斑鳍沙鳅的次异名,中华沙鳅是在澜沧江的首次纪录。在附录中记录了突吻沙鳅B.rostrata Gnther,是国内首次纪录,也是萨尔温江和伊洛瓦底江水系的首次纪录。文中每个种均有插图,对新种作了详细的描述,对老种的有关名称作了(林厂里)订或讨论。

THE BOTIINE LOACHES (OSTEICHTHYES:COBITIDAE) OF THE LANCANGJIANG (UPPER MEKONG) WITH DESCRIPTION OF A NEW SPECIES

Three species of the loach genus Botia arc known from the Lancangjiang drainage (the Chinese part of Mekong): B. beauforti Smith, 1931, B. superciliaris Gunther, 1892 and B, nigrolineata, new species, which is distinguished by its unique colour pattern consisting of a black longitudinal stripe along body axis and a black stripe along dorsal midline. Botia superciliaris is reported for the first time from the Mekong drainage. In appendix. B. rostrata Gunther, 1868 is reported for the first time from both China and the drainages of Irrawaddy and Salween.