Animal cells and systems

The Korean Society for Integrative Biology (한국통합생물학회)
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Reproductive Biology of the Temperate Soft Coral Dendronephthya suensoni (Alcyonacea: Nephtheidae)

  • Choi, Eun-Ji (Marine Resources Research Department, Korea Ocean Research & Development Institute) ;
  • Song, Jun-Im (Division of EcoScience, Ewha Womans University)
  • Published : 2007.12.31
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Abstract

The azooxanthellate soft coral Dendronephthya suensoni (Holem, 1895) is distributed mainly around Jejudo Island, Korea. This species was determined as gonochoric with a sex ratio of 2:1 (female:male). Both female and male colonies have one gametogenic cycle a year. The annual reproductive cycle of D. suensoni is dependent on the seawater temperature. In particular, reproduction of the male colony showed a higher positive correlation between seawater temperature and the mean diameter of the spermaries. Gametogenesis in females and males took 6 months and 12 months, respectively. The mean diameter of a mature oocyte was $249.29\;{\pm}\;36.24\;{\mu}m$, with a maximum size of $354.45\;{\mu}m$. Spawning could have occurred in the fall after the seawater temperature began to decrease.

Keywords

References

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