Reproduction of Zoanthus sansibaricus in the Infra-Littoral Zone at Taisho Lava Field, Sakurajima, Kagoshima, Japan(Reproductive Biology)

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概要

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• In order to obtain data on the reproductive pattern of the clonal cnidarian Zoanthus sansibaricus, polyps were sampled by scuba gear at Taisho Lava Field, Sakurajima, for 24 months between April 2000 and March 2002 (polyps collected weekly for breeding season). According to cross-sections, Zoanthus polyps were divided into three sexual types; male, female and asexual, and were found in the same colony. At Sakurajima, Zoanthus sansibaricus spawned in the middle of July, releasing oocytes and sperm. These spawning events occur synchronously with moon phase. In gametogenesis of Zoanthus sansibaricus, oocytes became recognizable in February and grew rapidly from the end of June onward. Spermatocytes became recognizable in June and matured rapidly in the middle of July. After spawning events, oocytes still remaining in the endoderm were absorbed into Zoanthus tissue quickly.

• 社団法人日本動物学会の論文
• 2005-02-25

著者

• Reimer J

  Research Program For Marine Biology And Ecology Extremobiosphere Research Center Japan Agency For Ma

• REIMER James

  Research Program for Marine Biology and Ecology, Extremobiosphere Research Center, Japan Agency for

• ONO Shusuke

  Miyakonojo Higashi High School

• TSUKAHARA Junzo

  Department of Developmental Biology, Faculty of Science, Kagoshima University

• Tsukahara J

  Department Of Developmental Biology Faculty Of Science Kagoshima University

• Tsukahara Junzo

  Department Of Chemistry And Bioscience Faculty Of Science Kagoshima University

• Reimer James

  Research Program for Marine Biology and Ecology, Extremobiosphere Research Center, Japan Agency for Marine-Earth Science and Technology

関連論文

• Long-term changes of infra-littoral zone zooxanthellate cnidarians in the Taisho Lava Field, Sakurajima, Kagoshima, Japan
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• Morphological and Molecular Revision of Zoanthus (Anthozoa: Hexacorallia) from Southwestern Japan, with Descriptions of Two New Species(Taxonomy)
• Molecular Evidence Suggesting Species in the Zoanthid Genera Palythoa and Protopalythoa (Anthozoa: Hexacorallia) Are Congeneric(Taxonomy)
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• Reproduction of Zoanthus sansibaricus in the Infra-Littoral Zone at Taisho Lava Field, Sakurajima, Kagoshima, Japan(Reproductive Biology)
• Reconsidering Zoanthus spp. Diversity : Molecular Evidence of Conspecifity Within Four Previously Presumed Species(Genetics)
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• Seasonal Changes in Morphological Condition of Symbotic Dinoflagellates (Symbiodinium spp.) in Zoanthus sansibaricus (Anthozoa: Hexacorallia) in Southern Japan
• Latitudinal and intracolony ITS-rDNA sequence variation in the symbiotic dinoflagellate genus Symbiodinium (Dinophyceae) in Zoanthus sansibaricus (Anthozoa : Hexacorallia)
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• Distribution of zooxanthellate zoanthid species (Zoantharia: Anthozoa: Hexacorallia) in southern Japan limited by cold temperatures
• Seasonal Changes in Zoanthus spp. in the Infra-Littoral Zone at Taisho Lava Field, Sakurajima, Kagoshima, Japan

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