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e-ased.org, vol. 33, no. 3, pp.195-199, 2017

DOI: https://doi.org/10.5635/ASED.2017.33.3.020

A Newly Recorded Sea Cucumber of the Genus Psolus (Holothuroidea: Dendrochirotida: Psolidae) from the East Sea of Korea

Taekjun Lee1,2, Sook Shin2,3,*

Affiliation: 1College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Korea 2Marine Biological Resource Institute, Sahmyook University, Seoul 01795, Korea 3Department of Life Science, Sahmyook University, Seoul 01795, Korea

Abstract: A sea cucumber was collected from Gonghyeonjin in the East Sea of Korea at a depth of 50 m on 22 June 2011 and was identified as Psolus phantapus (Strussenfelt, 1765). This species belongs to the family Psolidae of the order Dendrochirotida based on morphological characteristics and mitochondrial cytochrome c oxidase subunit I sequence analysis. Psolus phantapus, which widely distributes in the Arctic and North Atlantic Oceans, is newly recorded in the Korean fauna. Two Psolus species including the previously reported P. squamatus are recorded in the East Sea of Korea.

Keyword: Psolus phantapus, morphological characteristics, SEM, mitochondrial COI sequence, molecular identification