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First Record of Symphysanodon typus (Symphysanodontidae, Perciformes) Collected from the Eastern Sea of Jeju-do Island, Korea

한국 제주도 동부 해역에서 채집한 농어목(Perciformes), Symphysanodontidae, Symphysanodon typus 치어의 첫 보고

  • Seo-Yeon Koo (Department of Marine Biology, Pukyong National Univeristy) ;
  • Se-Hun Myoung (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • Jin-Koo Kim (Department of Marine Biology, Pukyong National Univeristy)
  • 구서연 (국립부경대학교 수산생명과학부 자원생물학전공) ;
  • 명세훈 (국립수산과학원 수산자원연구센터) ;
  • 김진구 (국립부경대학교 수산생명과학부 자원생물학전공)
  • Received : 2024.07.24
  • Accepted : 2024.09.13
  • Published : 2024.10.31

Abstract

A single juvenile specimen of Symphysanodon typus Bleeker, 1878 (total length, 13.4 mm), belonging to the family Symphysanodontidae, was collected for the first time from the waters off the eastern coast of Jeju-do Island in February 2024. The specimen was identified as S. typus using morphological and molecular analyses. Analysis of its mtDNA COI sequences revealed that the specimen clustered together with S. typus, showing a genetic distance of 0%. The juvenile S. typus had long spines with serrated edges on the dorsal side of its head and the corner of the operculum. The anus was located in the middle of the body. Additionally dorsal melanophores were found along the dorsal side of the body, caudal peduncle, and abdominal cavity. Compared to the species, S. typus can be distinguished from S. katayamai by the absence of melanophores in the abdominal cavity and on the operculum and by the length of the spine on the operculum. We propose new Korean names "Da-hong-ge-reu-chi-gwa" for the family Symphysanodontidae, "Da-hong-ge-reu-chi-sog" for the genus Symphysanodon, and "Da-hong-ge-reu-chi" for S. typus.

Keywords

Acknowledgement

본 논문을 세심하게 검토해 주신 두 심사위원께 감사드립니다. 본 연구는 국립수산과학원 근해어업자원조사 (R2024001) 및 국립해양생물자원관 '해양생명자원 기탁등록보존기관 운영(2024)' 사업의 지원을 받아 수행되었습니다.

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