Pukyong National University Researcher Studies Characteristics of Sciaenidae and Juveniles in Waters Around the Korean Peninsula ... Awarded Excellent Paper Poster Presentation

Jang Jae-hoon, a researcher in the Department of Marine Biology at Pukyong National University, recently received the Excellent Paper Poster Presentation Award at the Korean Ichthyological Society Academic Conference held at the Lotte World Well-being Center in Seoul.

At this academic conference, Researcher Jang was highly evaluated for his study titled “Morphological Description and Molecular Identification of Five Larval Species of the Genus Dallae in the Family Sciaenidae from Korea.”

The genus Dallae in the family Sciaenidae from Korea has been poorly understood morphologically, making it difficult to identify spawning grounds and habitats.

To address this, over the past two years, Researcher Jang, in collaboration with the National Institute of Fisheries Science, conducted a detailed analysis of egg and larval specimens collected from waters around the Korean Peninsula, confirming for the first time the morphological characteristics of five larval species of the genus Dallae: Dallangaeo, Hime Seongdae, Kkomadallae, Mitdalgengi, and Ppulseongdae.

Images of 5 species of juvenile fish in the genus Dallia from Seongdae.

These five species share common features such as a long protruding snout, developed spines on the head, and very large pectoral fins. Additionally, the distribution of melanophores on the pectoral fins proved to be a distinctive characteristic useful for species differentiation.

Furthermore, this study revealed that Sciaenidae fish use the East Sea, South Sea, and southern Jeju waters as spawning and nursery grounds.

Professor Kim Jin-gu, Jang’s academic advisor at Pukyong National University, stated, “To actively protect Korea’s major fishery resources, detailed investigations focusing on the reproductive cycles centered around key spawning grounds are necessary in the future.”

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