환경생물 (Korean Journal of Environmental Biology)

  • 제41권4호
  • /
  • Pages.616-626
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  • 2023
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  • 1226-9999(pISSN)
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  • 2287-7851(eISSN)
한국환경생물학회 (Korean Society of Environmental Biology)
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Parapinnanema imbricatum Belogurov, Belogurova and Smolyanko, 1985(Nematoda: Chromadoridae) from Ulleungdo Island, the East Sea, Korea

  • Woo In Jung (East Sea Environment Research Center, Korea Institute of Ocean Science and Technology) ;
  • Won Gi Min (East Sea Environment Research Center, Korea Institute of Ocean Science and Technology) ;
  • Hyun Soo Rho (East Sea Environment Research Center, Korea Institute of Ocean Science and Technology)
  • 투고 : 2023.11.28
  • 심사 : 2023.12.15
  • 발행 : 2023.12.31
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초록

In May 2023, a free-living marine nematode species from the genus Parapinnanema was identified in the subtidal zone of Ulleungdo Island, the East Sea, Korea. Specimens were collected using the Smith-McIntyre Grab. These specimens exhibited close similarities to Parapinnanema imbricatum from the sublittoral of Moneron Island, particularly in terms of general characteristics, such as the detailed structure of the buccal cavity, the complex and ringed structure of the cuticle, the copulatory apparatus, spinneret, and the female genital system. However, the Korean specimens of Parapinnanema imbricatum also displayed distinctive features compared to the original description, including a relatively elongated body (3,317-4,339 ㎛ vs. 3,100-4,200 ㎛) and a narrower body width (66-77 ㎛ vs. 71-85 ㎛). Additionally, the diameter of the head was relatively shorter(24-29 ㎛ vs. 28-36 ㎛). This paper offers a comprehensive morphological description, along with illustrations and DIC photomicrographs, of P. imbricatum from Korean waters.

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과제정보

This work was supported by the management of Marine Fishery Bio-resources Center (2023) funded by the National Marine Biodiversity Institute of Korea (MABIK), and by the research projects of the Korea Institute of Ocean Science and Technology (PEA0016, PEA0111).

참고문헌

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