小臭鼩分类地位的探讨及西藏自治区兽类一新纪录属

刘庆; 彭步青; 邓榆; 刘霜; 王晶; 郭克疾; 郭祥龙; Abu ul Hassan Faiz; 刘少英; 陈顺德

doi:10.16829/j.slxb.151089

兽类学报 >

2026 , Vol. 46 >Issue 4: 544 - 554

DOI: https://doi.org/10.16829/j.slxb.151089

研究论文

小臭鼩分类地位的探讨及西藏自治区兽类一新纪录属

刘庆 ,
彭步青 ,
邓榆 ,
刘霜 ,
王晶 ,
郭克疾 ,
郭祥龙 ,
Abu ul Hassan Faiz ,
刘少英 ,
陈顺德

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1 四川师范大学生命科学学院, 成都 610101;
2 四川省林业科学研究院, 成都 610081;
3 国家林业和草原局中南调查规划院, 长沙 410014;
4 北京大学生命科学学院, 北京 100871;
5 北京山水自然保护中心, 北京 100871;
6 Department of Zoology, Women University of Azad Jammu and Kashmir, Bagh 13000

刘庆（2001-），男，硕士研究生，主要从事小型哺乳动物的系统发育和分类研究.彭步青（1996-），男，硕士研究生，主要从事小型兽类系统发育研究.

收稿日期: 2025-04-15

修回日期: 2025-06-02

网络出版日期: 2025-06-02

基金资助

国家自然科学基金（32070424，32370496，32001223）；四川省自然科学基金（2025ZNSFSC0277）；西藏重点区域野生动植物资源调查（ZL202203601）；西藏雅鲁藏布大峡谷国家级自然保护区小型兽类多样性监测

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Taxonomic status of Suncus etruscus in China and the first record of the genus Suncus from the Xizang Autonomous Region

LIU Qing ,
PENG Buqing ,
DENG Yu ,
LIU Shuang ,
WANG Jing ,
GUO Keji ,
GUO Xianglong ,
Abu ul Hassan Faiz ,
LIU Shaoying ,
CHEN Shunde

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1 College of Life Sciences, Sichuan Normal University, Chengdu 610101, China;
2 Sichuan Academy of Forestry, Chengdu 610081, China;
3 Central South Inventory and Planning Institute of National Forestry and Grassland Administration, Changsha 410014, China;
4 School of Life Sciences, Peking University, Beijing 100871, China;
5 Shan Shui Conservation Center, Beijing 100871, China;
6 Department of Zoology, Women University of Azad Jammu and Kashmir, Bagh 13000, Pakistan

Received date: 2025-04-15

Revised date: 2025-06-02

Online published: 2025-06-02

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摘要

小臭鼩Suncus etruscus （Savi 1822）是已知体型最小的哺乳动物之一。在2024年10月，于西藏自治区林芝市墨脱县德尔贡村（北纬29°08′32″，东经95°15′29″）采集到1只臭鼩属标本，这是臭鼩属在西藏自治区的首次记录。该标本的外形与小臭鼩的外形描述基本一致。但基于线粒体Cyt b基因的系统发育分析显示该标本与物种S.malayanus和S.fellowesgordoni构成的支系聚为一支，与两者的平均遗传距离分别为8.5%和8.9%。该标本与意大利近模式产地小臭鼩样本的遗传距离为10.3%，存在着较大的遗传差异。本研究认为中国分布的“小臭鼩”与其他地区的小臭鼩存在一定的分化，其分类地位仍需进一步确定。另于2022年获赠1号来自克什米尔的小臭鼩标本，系统发育分析表明其与小臭鼩马达加斯加亚种（S.e.madagascariensis）构成单系，平均遗传距离为1.6%，确定该标本为小臭鼩马达加斯加亚种。

关键词： 臭鼩属; 新纪录; 系统发育; 墨脱

本文引用格式

刘庆 , 彭步青 , 邓榆 , 刘霜 , 王晶 , 郭克疾 , 郭祥龙 , Abu ul Hassan Faiz , 刘少英 , 陈顺德 . 小臭鼩分类地位的探讨及西藏自治区兽类一新纪录属[J]. 兽类学报, 2026 , 46(4) : 544 -554 . DOI: 10.16829/j.slxb.151089

Abstract

Suncus etruscus (Savi 1822) is among the smallest known mammals. In October 2024, a specimen of the genus Suncus was collected from Delgong Village (29°08'32″N, 95°15'29″E) in Motuo County, Nyingchi City, Xizang Autonomous Region. This represents the first record of the genus Suncus in Xizang. The external morphology of the specimen is generally consistent with previous descriptions of S. etruscus. However, phylogenetic analysis based on mitochondrial Cyt b gene showed that this specimen clusters with the clade formed by S. malayanus and S. fellowesgordoni, with average genetic distances of 8. 5% and 8. 9%, respectively. The genetic distance between this specimen and the near-type-locality sample of S. etruscus from Italy was 10. 3%, indicating a significant genetic divergence. This finding suggests that the S. etruscus distributed in China has certain differentiation from those in other regions. Given the rarity of specimens, the taxonomic status of the species in China needs to be further studied. Additionally, in 2022, we received a S. etruscus specimen from Jammu and Kashmir. Phylogenetic analysis based on the mitochondrial Cyt b gene revealed that it forms a monophyletic clade with the Madagascan subspecies of the Etruscan shrew (S. e. madagascariensis), with an average genetic distance of 1. 6%. We confirm that the specimen from Pakistan is S. e. madagascariensis.

Key words： Suncus; New record; Phylogeny; Motuo

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