Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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A New Record of Plectorhinchus vittatus (Haemulidae, Perciformes) from Korea

한국산 하스돔과(Haemulidae) 어류 첫기록종, Plectorhinchus vittatus

  • Si-Yeong Jeong (Department of Marine Biology, Pukyong National University) ;
  • Hyuck Joon Kwun (Marine Biodiversity Institute of Korea) ;
  • Jin-Koo Kim (Department of Marine Biology, Pukyong National University)
  • 정시영 (국립부경대학교 해양생물학과) ;
  • 권혁준 (국립해양생물자원관) ;
  • 김진구 (국립부경대학교 해양생물학과)
  • Received : 2023.07.07
  • Accepted : 2023.08.17
  • Published : 2023.08.31
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Abstract

A single specimen of the genus Plectorhinchus (Family: Haemulidae) was collected from the coastal waters around Jejudo Island on November 1, 2017 by a longline. The specimen was identified as Plectorhinchus vittatus by the morphological characters as follows: eight black vertical stripes on the body, scattered polka dots on the dorsal, anal and caudal fins. It is clearly distinguished from the congeneric species, P. lineatus, which is morphologically very similar to P. vittatus, in the number of gill rakers, stripes on the abdomen, and black patterns on the base of the pelvic fin. In this study, the occurrence of this species has been newly revealed at higher latitudes, suggesting the expansion of the northern distribution limit. Following Lee et al. (1999), we propose its Korean name as "Chu-sa-eo-reum-dom".

2017년 11월 1일 제주도 주변 해역에서 주낙으로 하스돔과 (Haemulidae)에 속하는 Plectorhinchus vittatus 1개체가 처음 채집되었다. 본 종은 체측에 8개의 검은색 세로줄 무늬가 있고, 등지느러미, 뒷지느러미, 꼬리지느러미에 검은 물방울 무늬가 산재하는 점에서 P. vittatus로 동정되었다. 형태적으로 매우 유사한 Plectorhinchus lineatus와는 새파 수(28 in P. vittatus vs. 20~22 in P. lineatus), 복부의 줄무늬(있음 vs. 없음), 배지느러미 기부의 검은 무늬(없음 vs. 있음)에서 명확히 구분된다. 본 종은 남위 27°에서 북위 31° 사이에 분포하는 것으로 알려졌으나, 본 연구에서 북위 33°에서 채집되어 북방한계수역의 확장을 시사한다. 국내에서 처음 채집된 본 종의 국명은 Lee et al. (1999)에 의거 "추사어름돔"을 제안한다.

Keywords

Acknowledgement

추사어름돔 표본 확인에 도움을 주신 완도민속어촌박물관 담당자와 논문의 질적 수준을 향상시켜 주신 두 분 심사위원께도 감사드립니다. 이 연구는 국립해양생물자원관 '해양생명자원 기탁등록보존기관 운영(2023)' 사업의 지원을 받아 수행되었습니다.

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