云南西双版纳发现5种中国新记录鱼类|成人国内精品久久久久一区
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中新网昆明7月22日电 (记者 韩帅南)记者22日从中国科学院昆明动物研究所获悉，该所东南亚野生动物多样性研究组研究人员，近日在云南省西双版纳傣族自治州境内的澜沧江流域进行的多次鱼类生物多样性考察中，发现4种中国未曾记录的土著淡水鱼类及1种在国内从未被记录与描述的外来鱼类。
澜沧江经中国云南出境后被称为湄公河，拥有极高的淡水鱼类多样性。据统计，澜沧江分布有鱼类超过240种，占云南鱼类物种数量的三分之一，在其下游西双版纳段体现尤为显著，物种数超过200种。近年澜沧江鱼类物种记录的持续增加也反映出该水系较高的潜在物种多样性。
此次发现的4种未曾记录的土著淡水鱼类，分别为盘褶鮡(Pseudecheneis sympelvica)、暹罗双孔鱼(Gyrinocheilus pennocki)、哈氏方口鲃(Cosmochilus harmandi)和金黑野鲮(Labeo chrysophekadion)，均为在中国首次记录的物种。此外，1种在国内从未被记录与描述的外来物种卡特拉野鲮(L. catla)也在此次被记录与描述。
该研究成果以“云南西双版纳发现4种中国新记录鱼类及1种外来鱼类”为题，于中国知网《动物学杂志》网络首发栏目优先在线发表。中国科学院昆明动物研究所博士研究生曾宇旸为第一作者，研究员陈小勇为通讯作者。(完)
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