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海蜇四触手螅状体两种发生方式的观察
引用本文:刘春胜,庄志猛,陈四清,燕敬平,刘长琳,刘顶海,张树森,宋建强.海蜇四触手螅状体两种发生方式的观察[J].动物学杂志,2011,46(3):93-97.
作者姓名:刘春胜  庄志猛  陈四清  燕敬平  刘长琳  刘顶海  张树森  宋建强
作者单位:中国水产科学研究院黄海水产研究所;好当家海洋发展股份有限公司;
基金项目:国家973项目(No.2011CB403605)
摘    要:通过对海蜇(Rhopilema esculentum)胚胎发育和足囊萌发进行连续观察,发现海蜇四触手螅状体存在2种形成方式:第一种方式为海蜇受精卵在水温(26±1)℃条件下经6 h发育到浮浪幼虫期,浮浪幼虫25 h后经过杯状体阶段,变态发育成四触手螅状体,进入附着生活阶段;第二种方式为足囊在适宜条件下萌发,首先形成杯状...

关 键 词:海蜇  胚胎发育  足囊萌发  杯状体  螅状体
收稿时间:2010/11/4 0:00:00
修稿时间:3/2/2011 12:00:00 AM

Observation on Two Generation Modes of Four Tentacles Scyphistoma of Rhopilema esculentum
LIU Chun-Sheng,ZHUANG Zhi-Meng,CHEN Si-Qing,YAN Jing-Ping,LIU Chang-Lin,LIU Ding-Hai,ZHANG Shu-Sen and SONG Jian-Qiang.Observation on Two Generation Modes of Four Tentacles Scyphistoma of Rhopilema esculentum[J].Chinese Journal of Zoology,2011,46(3):93-97.
Authors:LIU Chun-Sheng  ZHUANG Zhi-Meng  CHEN Si-Qing  YAN Jing-Ping  LIU Chang-Lin  LIU Ding-Hai  ZHANG Shu-Sen and SONG Jian-Qiang
Affiliation:Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Qingdao 266071;Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Qingdao 266071;Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Qingdao 266071;Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Qingdao 266071;Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Qingdao 266071;Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences, Qingdao 266071;Homey Oceanic Development Joint Stock Company, Rongcheng 264304,China;Homey Oceanic Development Joint Stock Company, Rongcheng 264304,China
Abstract:By continuous observation of embryonic development and podocyst propagation of Jellyfish,Rhopilema esculentum,two generation modes of scyphistoma were discovered.Mode Ⅰ,fertilized egg turned to scyphostima,which process took about 6 h from fertilized egg to planulae,and then nearly 25 h from planulae,scyphostoma to stationary scyphistoma with four tentacles at the temperature of 26±1℃;Mode Ⅱ,podocyst generated to scyphostima.The ratio of generation became higher with podocyst closed to scyphistoma.In this stage,podocyst first turned into scyphostoma,and then became scyphistoma with four tentacles.In this study,a new structure called scyphostoma was both found in the two scyphistoma generation modes.This discover improved the life cycle of jellyfish.
Keywords:Rhopilema esculentum  Embryonic development  Podocyst propagation  Scyphostoma  Scyphistoma  
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