吉首大学学报(自然科学版)

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广西壮族自治区洞穴盲虾一新种——都安盲沼虾

蓝春,吴知銮,李维贤   

  1. (1.都安县畜牧水产局,广西 都安 630700;2.石林县黑龙潭水库,云南 石林 652200)
  • 出版日期:2017-03-25 发布日期:2017-04-26
  • 通讯作者: 李维贤(1937—),男,云南石林人,云南省石林县黑龙潭水库研究员,主要从事中国特产鱼类金线鲃和洞穴生物学研究.
  • 作者简介:蓝春(1975—),女,广西都安人,广西壮族自治区都安县畜牧水产局水产工程师,从事水产养殖和鱼类研究

A New Troglobitic Shrimp from Guangxi Zhuang Autonomous Region:Macrobrachium Duanensissp

LAN Chun,WU Zhiluan,LI Weixian   

  1. (1.Bureau of Husbandry and Aquatic Production Administration,Du'an 630700,Gangxi China;2.Heilongtan Reservoir of Shilin,Shilin 652200,Yunnan China)
  • Online:2017-03-25 Published:2017-04-26

摘要:

记述广西洞穴盲虾一新种,即都安盲沼虾Macrobrachium douanensissp,nov.新种个体大小、形态与广泛分布的日本沼虾Macrobrachium nippomense相似.但新种眼退化变盲无色素,无眼柄,第2步足2指节光滑,掌节短而膨大,第1触角触须特别发达,长度超过体长的3倍等特征可明显区别.

关键词: 洞穴, 盲虾, 长臂虾科, 沼虾属, 新种

Abstract:

A new species of troglobitic shrimp from Du'an Guangxi,Macrobrachium duanensissp. nov. is described.The size and morphological characters of the new species are similar with the widespread Macrobrachium nipponense,but the new species can be distinguished from Macrobrachium nipponense with the following features:degenerated eyes to blindness with no pigment,no eye stalk,dactylus of the 2nd foot and active dactylus without hairy structure,short but swollen propodite of the 2nd foot,and the 1st tentacle more than 3 times longer than the body.

Key words: cave, troglobitic shrimp, pacaemonidae, macrobrachium, new species

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