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

The Korean Society of Fisheries and Ocean Technology (한국수산해양기술학회)
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Morphological description and molecular identification of the newly recorded bothid, Crossorhombus azureus (Bothidae, Pleuronectiformes) postlarva collected from the southern sea of Korea

한국 남해에서 채집된 둥글넙치과(가자미목) 1미기록종, Crossorhombus azureus 후기자어의 형태기재 및 분자동정

  • SEO, Min-Ju (Department of Marine Biology, Pukyong National University) ;
  • YU, Hyo-Jae (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • KIM, Jin-Koo (Department of Marine Biology, Pukyong National University)
  • 서민주 (부경대학교 자원생물학과) ;
  • 유효재 (국립수산과학원 수산자원연구센터) ;
  • 김진구 (부경대학교 자원생물학과)
  • Received : 2021.05.17
  • Accepted : 2021.08.27
  • Published : 2021.08.31
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Abstract

A single postlarva (9.72 mm in standard length) specimen of Crossorhombus azureus (Alcock, 1889) belonging to the family Bothidae, was collected using a bongo net from the southern sea of Korea on December 10, 2019. This species is characterized by having spines on post basipterygial processes. It has two eyes located at the opposite side in head, which accordingly belongs to pre-metamorphosis stage. Melanophores are distributed on the dorsal and anal fin base on the right side (blind side), which is regarded as a useful identification key distinguishing C. azureus from congeneric species in their postlarval stage. A molecular analysis based on mitochondrial DNA COI sequences showed that our specimen was closely matched to adult C. azureus (K2P distance = 0.017). As there is no Korean name for the genus Crossorhombus in spite of presence of Crossorhombus kobensis and its Korean name "Go-be-dung-geul-neob-chi" in Korea, we proposed a new Korean name "Dung-geul-neob-chi-sog" for the genus Crossorhombus and "Pa-lang-dung-geul-neob-chi" for the species C. azureus.

Keywords

Acknowledgement

본 연구는 2021년도 국립수산과학원 수산과학연구사업(R20211027)의 연구비 지원을 받아 수행된 것으로 본 논문을 세심하게 검토해 주신 심사위원분들께 감사드립니다.

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