한국수산과학회

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kfas, vol. 54, no. 4, pp.467-479, August, 2021
DOI. https://doi.org/10.5657/KFAS.2021.0467

Distribution of Eggs and Larvae in Coastal Waters of Korea 우리나라 연안해역 난 및 자치어의 분포특성

백정익·지환성*·유효재·황강석1 ·김두남2
국립수산과학원 수산자원연구센터, 1 국립수산과학원 독도수산연구센터, 2국립수산과학원 원양자원과

The distribution and abundance of fish eggs and larvae were investigated from February to December 2020 along the coastal waters of Korea. The eggs and larvae were identified using the mitochondrial DNA cytochrome c oxidase subunit I (mtDNA COI) and 16s rRNA gene. During the study period, eggs of overall 45 taxa belonging to 26 families were collected and larvae of overall 39 taxa belonging to 23 families were collected. In Yeongil Bay, eggs of Engraulis japonicus, which accounted for 83.9% of the total population, was the most dominant species, followed by Sardinops sagax (4.0%), Repomucenus valenciennei (3.8%) and E. japonicus larvae, which accounted for 34.9% of the total population. These were followed by Sebastiscus marmoratus (31.0%). In Gomso Bay, E. japonicus eggs accounted for 61.7% of the total population, followed by Sillago japonica (14.0%), Johnius grypotus (8.8%) and Pholis fangi larvae, which accounted for 53.5% of the total population, followed by Ammodytes personatus (34.1%). In Jinhae Bay, E. japonicus eggs accounted for 86.0% of the total population, followed by Leiognathus nuchalis (4.1%), Konosirus punctatus (3.7%) and E. japonicus larvae, which accounted for 48.7% of the total population, followed by Parablennius yatabei (21.6%).

Keyword : Eggs, Larvae, Yeongil Bay, Gomso Bay, Jinhae Bay

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