Journal of Jishou University(Natural Sciences Edition) ›› 2024, Vol. 45 ›› Issue (3): 35-44.DOI: 10.13438/j.cnki.jdzk.2024.03.006

• Biological • Previous Articles     Next Articles

Identification Analysis on Craspedacusta sp.from Bayue Lake in Jishou City

YUAN Saibo,YUAN Guoqing,XIANG Ying,FENG Weisong,ZHANG Youxiang   

  1. (1.Ecological Environment Monitoring and Scientific Research Center,Ecology and Environment Supervision and Administration Bureau of Yangtze Valley,Ministry of Ecology and Environment of the People's Republic of China,Wuhan 430014,China;2.Dalian Ocean University,Dalian 116023,Liaoning China;3.College of Biology and Environmental Science,Jishou University,Jishou 416000,Hunan China;4.Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China)
  • Online:2024-05-25 Published:2024-06-19

Abstract: In order to strengthen the conservation and sustainable utilization of Craspedacusta,we used the methods of morphological identification and molecular biological identification to identify and analyze the Craspedacusta sp. from Bayue Lake in Jishou City of Xiangxi.The results were as follows:Diameter of umbrella was 12.4 mm.Tentacle 3~4,and the main tentacle was significantly longer than other tentacles.The gonads were cystic,and brown yellow in color.Statocysts were tubular,106~128 in number.Nematocyst warts arranged in a ring and each of ring had interval.The similarity of 18S rDNA gene sequence between Craspedacusta sp. from Bayue Lake and Craspedacusta sowerbyi of the United States (GenBank serial number MG979336.1) was the highest,which was 99.88%.The relationship between the Craspedacusta sp. from Bayue Lake in Xiangxi and Craspedacusta sowerbyi was close.Both morphological and molecular data support that the Craspedacusta sp. from Bayue Lake in the Xiangxi was Craspedacusta sowerbyi.

Key words: Craspedacusta sp., Craspedacusta sowerbyi, Limnomedusae, Jishou City

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