수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)

  • 제57권3호
  • /
  • Pages.205-213
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  • 2021
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  • 2671-9940(pISSN)
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  • 2671-9924(eISSN)
한국수산해양기술학회 (The Korean Society of Fisheries and Ocean Technology)
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한국산 색가오리과(Dasyatidae) 어류 1미기록종, Hemitrygon izuensis (Nishida and Nakaya, 1988)

First reliable record of a stingray, Hemitrygon izuensis (Nishida and Nakaya, 1988) (Chondrichthyes: Dasyatidae) from Korea

  • 장서하 (부경대학교 해양생물학과) ;
  • 김진구 (부경대학교 자원생물학과)
  • JANG, Seo-Ha (Department of Marine Biology, Pukyong National University) ;
  • KIM, Jin-Koo (Department of Marine Biology, Pukyong National University)
  • 투고 : 2021.07.09
  • 심사 : 2021.08.23
  • 발행 : 2021.08.31
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초록

Two specimens of Hemitrygon izuensis (395.8-471.5 mm in disc width), belonging to the family Dasyatidae (Myliobatiformes), were collected from the waters off north-eastern Jeju-do Island in June 2016 and Pohang in August 2019. This species was characterized by having no spots on dorsal side of disc, white ventral tail fold and short preorbital snout length (15.6-18.3% of disc width). This species is similar to H. akajei and H. sinensis reported in Korea, but differs in small denticles on mid-line of dorsal surface of disc (absent in H. izuensis vs. present in H. akajei and H. sinensis), the length of ventral tail fold (28.1-31.0% in H. izuensis vs. 48.0-48.6% in H. akajei vs. 45.0% in H. sinensis), color of ventral tail fold (white in H. izuensis vs. black in H. akajei and H. sinensis) and small tubercles on the posterior part of tail (absent in H. izuensis vs. present in H. akajei and H. sinensis). We suggest a Korean name for H. izuensis as "I-ju-gal-saeg-ga-o-li" following Kim et al. (2019).

키워드

과제정보

이 논문은 2021년 국립해양생물자원관(2021M01100)의 재원으로 수행된 연구입니다. 논문을 세심하게 검토해주신 심사 위원께 감사드립니다.

참고문헌

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