한국어류학회지 (Korean Journal of Ichthyology)

  • 제36권3호
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  • Pages.288-294
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  • 2024
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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 제주도 남부 해역에서 출현한 참서대과(Cynoglossidae) 어류 1미기록종, Symphurus longirostris 치어의 분자동정 및 형태기재

Molecular Identification and Morphological Description of Juvenile of the Previously Unrecorded Species Long-snout Tonguefish, Symphurus longirostris (Cynoglossidae) from the Southern Sea of Jeju Island, Korea

  • 서연주 (국립부경대학교 해양생물학과) ;
  • 김진구 (국립부경대학교 해양생물학과) ;
  • 유효재 (국립수산과학원 수산자원연구센터) ;
  • 명세훈 (국립수산과학원 수산자원연구센터)
  • Yeon-Ju Seo (Department of Marine Biology, Pukyong National University) ;
  • Jin-Koo Kim (Department of Marine Biology, Pukyong National University) ;
  • Hyo-Jae Yu (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • Se Hun Myoung (Fisheries Resources Research Center, National Institute of Fisheries Science)
  • 투고 : 2024.03.07
  • 심사 : 2024.05.24
  • 발행 : 2024.08.31
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초록

2023년 8월 한국 제주도 남부 해역에서 참서대과에 속하는 Symphurus longirostris의 치어 1개체가 채집되었다. Mitochondrial DNA 16S rRNA 영역의 염기서열 475 base pairs를 분석한 결과, 이 표본은 일본의 S. longirostris 완모식표본과 일치하였으며(Kimura-2-parameter distance, d=0.002), 동속의 보섭서대, S. orientalis (d=0.199)와는 잘 구분되었다. 이 종의 치어는 등지느러미와 뒷지느러미 기저부에 1열의 흑색소포를 가지며, 등지느러미 기저의 흑색소포는 등지느러미 13~14번째 기조 부근에서 끊어져 있다. 또한, 복강의 가장 등쪽은 청흑색을 띤다. 국내 분포하는 보섭서대와는 지느러미 기조 수, 척추골 수 등의 계수형질과 유안측 복강 위쪽의 흑색소포군의 유무에서 잘 구분된다. 본 종은 일본의 Wakasa Bay 및 Tosa Bay에서 보고되었으며, 이번 연구를 통해 한국 제주 남부 해역에서도 출현하는 것을 확인할 수 있었다. 본 연구는 우리나라에서 처음으로 확인된 S. longirostris의 기록이며, 본 종에 대한 새로운 국명으로 "긴코보섭서대"를 제안한다.

A juvenile of long-snout tonguefish, Symphurus longirostris belonging to the family Cynoglossidae, was collected from the waters around Jeju Island, Korea in August 2023. Molecular analysis revealed that our juvenile specimen was identical to S. longirostris adult from Japan (Kimura-2-parameter distance, d=0.002) based on mitochondrial DNA 16S ribosomal RNA region sequences 475 base pairs, and differed from its congeneric S. orientalis (d=0.199). The juvenile of S. longirostris has the following morphological traits: obvious dermal spots on both sides of the bases of the dorsal and anal fins; and peritoneum bluish black on its dorsalmost aspect. The juvenile of S. longirostris is also distinguished from S. orientalis in that they do not have a patch of melanophores above the abdominal cavity on the ocular-side. This is the first record of S. longirostris in Korea, and we propose a new Korean name "Gin-ko-bo-seop-seo-dae" for this species.

키워드

과제정보

이 논문은 국립수산과학원 근해어업자원조사 (R2024001)와 국립해양생물자원관 '해양생명자원 기탁등록보존기관 운영(2024)' 사업의 지원을 받아 수행되었습니다. 논문의 질적 향상을 위해 도움 주신 두 분 심사위원께 감사드립니다.

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