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고등어과 물치다래속(Auxis, Scombridae) 자어의 분자동정 및 형태발달

Molecular Identification and Morphological Development of Auxis (Scombridae) Larvae

  • Ji, Hwan-Sung (Department of Marine Biology, Pukyong National University) ;
  • Yoo, Joon-Taek (Fisheries Resources Research Department, NFRDI) ;
  • Ryu, Jung-Hwa (RyuJungHwa Marine Research Institute) ;
  • Kim, Jin-Koo (Department of Marine Biology, Pukyong National University)
  • 투고 : 2011.08.09
  • 심사 : 2011.11.15
  • 발행 : 2011.12.30

초록

Eleven individual larvae (3.6-8.0 mm notochord length, NL) were collected from the southern East Sea of Korea in July, 2010, and the adjacent Sea of Jeju Island in August, 2011. Five individuals were identified using mitochondrial DNA cytochrome oxidase subunit I (COI) sequences (494 base pairs). All were identified as Auxis rochei, their mtCOI sequences being consistent with those of adult A. rochei (d=0.000), followed by Auxis thazard (d=0.027). In terms of morphology, A. rochei larvae showed a preflexion stage of 4.8 mm NL, but a flexion stage between 5.2-6.2 mm NL, and subsequently a postflexion stage between 6.6-8.0 mm NL. During the larval stage, A. rochei differed from A. thazard in having no (or few) melanophores in the lateral caudal region.

키워드

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피인용 문헌

  1. Occurrence of longtail tuna (Thunnus tonggol) juvenile in Korean waters vol.49, pp.4, 2013, https://doi.org/10.3796/KSFT.2013.49.4.500