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New records of two deep-sea eels collected from the Western Pacific Ocean based on COI and 16S rRNA genes |
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| Authors: | Kim Han-Jun Han Jeonghoon Kim Byung-Jik Lee Kyun-Woo Hyeong Kiseong Choi Young-Ung |
| Affiliation: | 1.Marine Bio-Resources Research Unit, Korea Institute of Ocean Science and Technology (KIOST), Busan, 49111, Republic of Korea ;2.Marine Biotechnology Research Center, Korea Institute of Ocean Science and Technology (KIOST), Busan, 49111, Republic of Korea ;3.Animal Resources Division, National Institute of Biological Resources, Incheon, 22689, Republic of Korea ;4.Global Ocean Research Center, Korea Institute of Ocean Science and Technology (KIOST), Busan, 49111, Republic of Korea ; |
| Abstract: | Background Two deep-sea eels collected from the Western Pacific Ocean are described in this study. Based on their morphological characteristics, the two deep-sea eel specimens were assumed to belong to the cusk-eel family Ophidiidae and the cutthroat eel family Synaphobranchidae. Methods and resultsTo accurately identify the species of the deep-sea eel specimens, we sequenced the mitochondrial genes (cytochrome c oxidase subunit I [COI] and 16S ribosomal RNA [16S rRNA]). Through molecular phylogenetic analysis based on mtDNA COI and 16S rRNA gene sequences, these species clustered with the genera Bassozetus and Synaphobranchus, suggesting that the deep-sea eel specimens collected are two species from the genera Bassozetus and Synaphobranchus in the Western Pacific Ocean, respectively. ConclusionsThis is the first study to report new records of the genera Bassozetus and Synaphobranchus from the Western Pacific Ocean based on COI and 16S rRNA genes |
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