한국어류학회지 (Korean Journal of Ichthyology)

  • 제33권2호
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  • Pages.148-154
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  • 2021
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  • 1225-8598(pISSN)
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  • 2288-3371(eISSN)
한국어류학회 (The Ichthyological Society of Korea)
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한국 여수에서 채집된 매가오리과 (Myliobatidae) 어류 첫기록종, Mobula thurstoni

First Record of the Smoothtail Mobula, Mobula thurstoni (Myliobatiformes: Myliobatidae) in Southern Korea

  • 명세훈 (한국해양과학기술원 독도전문연구센터) ;
  • 송영선 (국립수산과학원 독도수산연구센터) ;
  • 강충배 (국립해양생물자원관 전시교육실) ;
  • 최홍인 (국립해양생물자원관 전시교육실) ;
  • 김종관 (국립해양생물자원관 전시교육실) ;
  • 윤문근 (국립해양생물자원관 생태보존실) ;
  • 임재복 (국립해양생물자원관 생물분류실) ;
  • 한동진 (여수아쿠아플라넷)
  • Myoung, Se Hun (Dokdo Research Center, Korea Institute of Ocean Science and Technology) ;
  • Song, Young Sun (Dokdo Fisheries Research Center, National Institute of Fisheries Science) ;
  • Kang, Chung-Bae (Department of Exhibition and Education, National Marine Biodiversity Institute of Korea) ;
  • Choi, Hong-In (Department of Exhibition and Education, National Marine Biodiversity Institute of Korea) ;
  • Kim, Jong-Gwan (Department of Exhibition and Education, National Marine Biodiversity Institute of Korea) ;
  • Yoon, Moongeun (Department of Ecology and Conservation, National Marine Biodiversity Institute of Korea) ;
  • Im, Jaebok (Department of Taxonomy and Systematics, National Marine Biodiversity Institute of Korea) ;
  • Han, Dong-Jin (Hanwha Aqua Planet Yeosu)
  • 투고 : 2021.04.03
  • 심사 : 2021.06.03
  • 발행 : 2021.06.30
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초록

매가오리목 매가오리과에 속하는 Mobula thurstoni 2개체(1770~1850 mm 체반폭)가 2018년 9월 전라남도 여수시 연도 연안에서 정치망으로 채집되었다. 이 종은 가슴지느러미의 앞부분이 이중 굴곡이고, 등지느러미 바로 뒤 꼬리 시작부분에 가시가 없으며, 등지느러미 끝부분에는 흰색이고, 그리고 등쪽의 체색이 어두운 남색을 띤다. Mobula kuhlii와 가장 형태적으로 유사하였지만, 가슴지느러미 앞부분에 이중 굴곡을 가지고 있다는 점(vs. 직선이거나 약간의 굴곡을 가진다)과 등쪽 체색이 어두운 남색을 띤다는 점(vs. 회갈색)에서 잘 구분된다. 또한, 이 종은 M. kuhlii와 미토콘드리아 16S rRNA 영역에서 유전적 거리 0.030~0.069의 차이를 보여 구분되었다. 이 종의 새로운 국명으로 '매끈꼬리쥐가오리'를 제안한다.

Two specimens (1770~1850 mm disc width) of Mobula thurstoni, belonging to the family Myliobatidae, order Myliobatiformes, were first collected from the central coast of the Southern Sea of Korea in September 2018. This species is characterized by an anterior margin of disc with double curvature, a white-tipped dorsal fin, and the absence of a caudal spine. This species is morphologically similar to Mobula kuhlii, but has an anterior margin of pectoral fins with a double curvature and the dorsal coloration is bluish black rather than white. In addition, M. thurstoni was well distinguished from M. kuhlii as determined by mitochondrial DNA 16S rRNA sequences with genetic distances ranging from 0.030 to 0.069. The Korean name 'Mae-kkeun-kko-li-jwi-ga-o-li' is proposed for the species M. thurstoni.

키워드

과제정보

This work was supported by a grant from the National Marine Biodiversity Institute of Korea (2021M00300).

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