Animal Systematics, Evolution and Diversity

  • 제37권2호
  • /
  • Pages.89-95
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  • 2021
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  • 2234-6953(pISSN)
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  • 2234-8190(eISSN)
한국동물분류학회 (The Korean Society of Systematic Zoology)
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Studying Cyphonautes Larvae of Hislopia prolixa (Bryozoa; Ctenostomata) in Temperate Fresh Water

  • Wood, Timothy S. (Department of Biological Sciences, Wright State University) ;
  • Seo, Ji Eun (Department of Life Science, Woosuk University) ;
  • Chae, Hyun Sook (Marine Bryozoans Resources Bank of Korea)
  • 투고 : 2019.08.28
  • 심사 : 2020.01.27
  • 발행 : 2021.04.30
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초록

Cyphonautes larvae are confirmed for the first time among the temperate freshwater zooplankton. They are part of the life cycle of the ctenostome bryozoan, Hislopia prolixa Hirose and Mawatari, 2011, known so far from China, Japan, and the Republic of Korea. Until 2008 cyphonautes were thought to be exclusively marine, occurring in three families of ancient ctenostome and cheilostome bryozoans. Since then they have been recognized in several tropical freshwater bryozoan species of the Genus Hislopia. Their presence in temperate latitudes now enlarges the area where these unusual larvae can be studied in their natural habitat. Embryological development in fresh water can be easily observed from egg to larva within a span of 12-24 h. Laboratory culture of the larvae has so far been hampered by their small size, hydrophobic body surface, unknown nutritional requirements, and high mortality rate.

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과제정보

For logistical support we gratefully acknowledge the generous assistance from Ho Jin Yang, Hyun Sook Chae, Geon Woo Noh, and Seung Hyun Lee, all from the Department of Life Science, Woosuk University, Jincheon, Korea. This study was the project titled 'Improvement of management strategies on marine disturbing and harmful organisms(No. 20190518)' funded by the Ministry of Oceans and Fisheries, Korea.

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