广西发现新物种
<section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="letter-spacing: 1px;"><strong style="outline: 0px;"><span style="outline: 0px;color: rgb(0, 122, 170);font-size: 18px;text-decoration: rgb(0, 122, 170);">我国科研人员发现新物种龙州中华喀鳅</span></strong></span></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><br></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="outline: 0px;letter-spacing: 1px;text-decoration: rgba(0, 0, 0, 0.9);">广西师范大学、南宁师范大学与浙江省森林资源监测中心等单位科研人员在广西崇左市龙州县一地下溶洞发现一种白色盲鱼，基于形态学与分子系统生物学研究结果，<span style="outline: 0px;text-decoration: rgba(0, 0, 0, 0.9);color: rgb(123, 12, 0);"><strong style="outline: 0px;">确认该鱼类为新物种，并以其发现地将其命名为“龙州中华喀鳅”。</strong></span>这一研究成果近日在国际学术期刊《动物系统学与演化》上发表。<br style="outline: 0px;"></span></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="outline: 0px;letter-spacing: 1px;"><br style="outline: 0px;"></span></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="outline: 0px;letter-spacing: 1px;"></span></section><section style="margin-bottom: 0px;outline: 0px;text-align: left;line-height: 2em;"><span style="text-decoration: rgb(136, 136, 136);outline: 0px;font-size: 14px;color: rgb(136, 136, 136);letter-spacing: 1px;">图为龙州中华喀鳅。（受访对象供图）</span></section><section style="margin-bottom: 0px;outline: 0px;text-align: left;line-height: 2em;"><br></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="letter-spacing: 1px;">论文第一作者、广西师范大学生物科学专业本科生葛家玥介绍，龙州中华喀鳅是一种栖息于洞穴地下河中的盲鱼，眼睛已彻底消失或仅残存一个细小的眼点，晶状体已缺失；体表色素消失，通体呈半透明，可以看到内脏团；体鳞退化，体表光滑；口须短，胸鳍较长，尾柄上、下均具有发达的尾鳍褶，通过以上特征和可数性状可以与同属其他鱼类相区分。<br style="outline: 0px;"><br style="outline: 0px;"></span></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="letter-spacing: 1px;">据介绍，中华喀鳅属隶属于鲤形目、条鳅科，是一个2023年建立的新属，为中国特有属，已知分布在珠江流域的广西中西部和北部、贵州南部地区。本属鱼类均为典型洞穴鱼类，它们长期生活在洞穴水环境中，并具有易辨识的特殊适应性形态结构，如眼消失、身体透明等。<br style="outline: 0px;"><br style="outline: 0px;"></span></section><section style="margin-bottom: 0px;outline: 0px;line-height: 2em;"><span style="letter-spacing: 1px;">目前监测表明，龙州中华喀鳅仅栖息于中越边境的左江流域溶洞地下河中，分布范围极其狭窄、种群数量稀少。保护这些珍贵而独特的洞穴鱼类物种，对于了解岩溶地貌区物种演化机制和生物多样性保护有着重要意义。</span></section><p style="margin-bottom: 0px;"><br></p><section class="mp_profile_iframe_wrp"><mp-common-profile class="js_uneditable custom_select_card mp_profile_iframe" data-pluginname="mpprofile" data-weui-theme="light" data-id="MjM5OTU4Nzc0Mg==" data-headimg="http://mmbiz.qpic.cn/mmbiz_png/eiccNfic7OE9LuE1q00IWLmgGuLOwmHJZvo9RJLajAfOjRy1TmSVOL8mA4ABvtMy3LKmS22ZpLKw11YQwjK3UeMA/0?wx_fmt=png" data-nickname="半月谈" data-alias="banyuetan-weixin" data-signature="“中华第一刊”《半月谈》官微，每天帮你分析政治、经济、商业大事，解读社会发展，品味人生百态，您的政经顾问，学习良师，生活益友。" data-from="0" data-is_biz_ban="0"></mp-common-profile></section><p 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!important;overflow-wrap: break-word !important;">来源：</span><span style="color: rgb(136, 136, 136);font-size: 14px;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;">新</span><span style="color: rgb(136, 136, 136);font-size: 14px;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;">华社</span></p><p style="margin-bottom: 0px;outline: 0px;font-family: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif;letter-spacing: 0.544px;text-wrap: wrap;background-color: rgb(255, 255, 255);visibility: visible;"><span style="outline: 0px;color: rgb(136, 136, 136);font-size: 14px;letter-spacing: 0.544px;visibility: visible;">记者：林凡诗<br></span></p><hr style="outline: 0px;max-width: 100%;letter-spacing: 0.544px;visibility: visible;line-height: 1.75em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><p style="outline: 0px;max-width: 100%;visibility: visible;line-height: 1.6em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="outline: 0px;max-width: 100%;color: rgb(136, 136, 136);font-size: 14px;letter-spacing: 1px;caret-color: rgb(34, 34, 34);visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important;">责编：张子晴</span><br style="outline: 0px;max-width: 100%;visibility: visible;box-sizing: border-box !important;overflow-wrap: break-word !important;"></p><p style="margin-bottom: 24px;outline: 0px;max-width: 100%;visibility: visible;line-height: 1.6em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span 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