Taxonomic Review of the Family Trachipteridae (Lampridiformes) from Korea

한국산 투라치과(Lampridiformes: Trachipteridae) 어류의 분류학적 재검토

  • Ji, Hwan sung (Department of Marine Biology, Pukyong National University) ;
  • Yoon, Sang Chul (East Sea Fisheries Research Institute, NFRDI) ;
  • Kim, Jin Koo (Department of Marine Biology, Pukyong National University)
  • 지환성 (부경대학교 자원생물학과) ;
  • 윤상철 (국립수산과학원 동해수산연구소 자원환경과) ;
  • 김진구 (부경대학교 자원생물학과)
  • Received : 2009.08.27
  • Accepted : 2009.11.27
  • Published : 2009.12.31

Abstract

The taxonomic review of the family Trachipteridae was carried out based on the Trachipterus ishikawae (7 specimens), Zu cristatus (4 specimens), Desmodema polystictum (2 specimens) collected from the East Sea, South Sea and adjacent waters of Jeju Island of Korea from June 2006 to August 2008. Among them, D. polystictum was revealed as an unrecorded species from Korea, being characterized by the following characters: the ventral edge smooth; body color silvery white with a lot of large dark rounded spot. We proposed the new Korean name of the genus Desmodema as "Jeom-tu-ra-chi-sog", D. polystictum as "Jeom-tu-ra-chi". Z. cristatus has a elongated first six dorsal fin and pelvic fin rays. T. ishikawae has a row of sharp tubercles along the ventral edge, and straightly elongated body form. In meristic characters, the number of dorsal fin rays were 178~195 in T. ishikawae, 137~148 in Z. cristatus and 125~130 in D. polystictum, the number of vertebrae were well distinguished among three species; T. ishikawae (80~83), D. polystictum (72~74) and Z. cristatus (65~68).

본 연구는 2006년 6월부터 2008년 8월까지 우리나라 동해, 남해 및 제주도 주변 해역에서 채집된 투라치, Trachipterus ishikawae (Jordan and Snyder, 1901) 7개체, 홍투라치, Zu cristatus (Bonelli, 1820) 4개체 및 1미기록종인 Desmodema polystictum (Ogilby, 1897) 2개체의 형태형질을 조사하여 한국산 투라치과 어류의 분류학적 재검토를 실시하였다. 한국 미기록종인 D. polystictum는 배쪽 가장자리가 매끄럽고, 체측에 어두운 수십개의 둥근 반문이 산재하는 특징을 보여, 새로운 한국명으로 "점투라치"를 제안한다. 홍투라치는 제1~제6 등지느러미 연조 및 배지느러미 연조가 길게 신장된 특징을 나타내었다. 투라치는 배쪽 가장자리에 날카로운 돌기가 나 있으며, 체형은 가늘고 긴 일직선의 형태를 나타내었다. 계수형질에서는 등지느러미 연조수가 투라치(178~195개), 홍투라치(137~148개), 점투라치(125~130개) 순으로 많았고, 척추골수는 투라치(80~83개), 점투라치(72~74개), 홍투라치(64~68개) 순으로 많아 잘 구분되었다.

Keywords

Acknowledgement

Supported by : 국립수산과학원

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