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A new record of the nudibranch Halgerda batangas from Vietnam confirmed by DNA barcoding

Published online by Cambridge University Press:  07 January 2025

Thinh Dinh Do Open the ORCID record for Thinh Dinh Do [Opens in a new window] ,
Ha Manh Tran ,
Ngai Dang Nguyen ,
Thung Cong Do ,
Minh Van Nguyen ,
Linh Manh Nguyen ,
Quan Van Nguyen ,
Antoni Torres Gadea ,
Jordi Rojas Pascual  and
Li Lian Wong
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Thinh Dinh Do*
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Ha Manh Tran
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Ngai Dang Nguyen
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Thung Cong Do
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Minh Van Nguyen
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Linh Manh Nguyen
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Quan Van Nguyen
Affiliation:
Institute of Marine Environment and Resources, Vietnam Academy of Science and Technology, Haiphong, Vietnam
Antoni Torres Gadea
Affiliation:
PharmaMar, Madrid, Spain
Jordi Rojas Pascual
Affiliation:
PharmaMar, Madrid, Spain
Li Lian Wong
Affiliation:
Institute of Climate Adaptation and Marine Biotechnology, Universiti MalaysiaTerengganu, Kuala-Nerus, Terengganu, Malaysia
Dae-wui Jung
Affiliation:
Korea Marine-Bio Laboratory, Daejeon, South Korea
*
Corresponding author: Thinh Dinh Do; Email: [email protected]
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Abstract

Although nudibranchs are common and attractive animals, our understanding of these marine gastropods in Vietnam remains limited. Prior research has suggested that combining morphological examination with molecular analysis results in more accurate identification of nudibranchs. However, previous studies in Vietnam have typically relied solely on morphological methods for nudibranch identification. In this study, the nudibranch species Halgerda batangas was recorded in Vietnam for the first time based on both morphological and molecular approaches. Halgerda batangas was characterized by a network pattern consisting of orange lines, relatively low dorsal tubercles with red-orange caps and white basal rings, and an orange line along the foot margin. Molecular analysis corroborated the morphological findings. These results suggest that integrating morphological and molecular methods is an effective approach for identifying nudibranchs.

Keywords

Indo-Pacificmolecular analysisnudibranchsphylogenyspecies delimitation
Type
Marine Record
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 104 , 2024 , e120
Copyright
Copyright © The Author(s), 2025. Published by Cambridge University Press on behalf of Marine Biological Association of the United Kingdom

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