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Newly recorded sea star Henricia hayashii(Asteroidea: Spinulosida: Echinasteridae) in the East Sea, Korea

  • Ubagan, Michael Dadole (Department of Animal Biotechnology & Resource, College of Science and Technology, Marine Biological Resource Institute, Sahmyook University) ;
  • Shin, Sook (Department of Animal Biotechnology & Resource, College of Science and Technology, Marine Biological Resource Institute, Sahmyook University)
  • 투고 : 2021.08.05
  • 심사 : 2021.09.06
  • 발행 : 2021.09.30

초록

Henricia specimen was collected from the East Sea of Korea using fishing nets. The specimen was identified as Henricia hayashii (Djakonov 1961), belonging to the family Echinasteridae of the order Spinulosida. This species can be distinguished from other Henricia species by slender arms (R/r=7.4), constricted arm base, six to thirty-five slender spinelets, open-meshed, reticulated abactinal skeleton comprising semi-triangular, rod-like form, and small ossicles present inside the papular areas. This species superficially resembles H. reniossa in terms of its body size but differs in the shape and arrangement of the abactinal and actinal plates. To date, two genera of Echinasteridae, Aleutihenricia and Henricia, including a total of 14 species, have been reported in Korea. Herein, the morphological characteristics of H. hayashii are described, and photographs are provided.

키워드

과제정보

This study was supported by a grant from the National Institute of Biological Resources (NIBR), which was funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR 202102203), and the project titled "Improvement of management strategies on marine disturbing and harmful organisms (No. 20190518)" funded by the Ministry of Oceans and Fisheries, Korea.

참고문헌

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