Environmental DNA/RNA metabarcoding for noninvasive and comprehensive monitoring and assessment of marine fishes

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

  • Peiyuan Ye
  • Jinping Cheng
  • Linus Shing Him Lo
  • Jingyu Liu
  • Chao Li
  • Kelvin Jun Yin So
  • Fei Xia
  • Junjie Wang
  • Clara U
  • Jian-Wen Qiu

Detail(s)

Original languageEnglish
Article number117422
Number of pages15
Journal / PublicationMarine Pollution Bulletin
Volume211
Online published16 Dec 2024
Publication statusPublished - Feb 2025

Abstract

Marine fisheries resources are under increasing threat, necessitating the development of new effective monitoring and management strategies. Environmental DNA (eDNA) and RNA (eRNA) metabarcoding has emerged as a non-invasive and sensitive alternative method for monitoring fish biodiversity and fisheries resources and assessing the fisheries impact of anthropogenic activities. Here, we summarize crucial technical details about eDNA metabarcoding for marine fish monitoring and provide meta-analytical trends in primer selection and sample size, assessment standards, fish and fisheries databases, reference fish genomic databases, and other relevant metrics. The pressing need for better reference databases and standardization methods is discussed. We further highlight the potency of emerging eDNA metabarcoding studies for monitoring global fish diversity and revealed regional study hotspots in South China, Atlantic and Mediterranean Seas. The innovative advances in using eDNA/eRNA metabarcoding for fish diversity monitoring and assessment from the detection of rare or invasive species to branching applications in biomass estimation, population genetics, food web analysis, fish migration and feeding studies were reviewed. We also explore the potential of eRNA metabarcoding as an upcoming extension of eDNA metabarcoding in marine fish monitoring and assessment with improved functional relevance. We envision the integration of eDNA/eRNA metabarcoding-based fish monitoring methods with traditional monitoring approaches to significantly improve marine fish surveillance, ecological research, and conservation efforts. © 2024 Elsevier Ltd. All rights are reserved, including those for text and data mining, AI training, and similar technologies.

Research Area(s)

  • Environmental monitoring, Marine fish and fisheries, DNA metabarcoding, Impact assessment, Next-generation sequencing

Citation Format(s)

Environmental DNA/RNA metabarcoding for noninvasive and comprehensive monitoring and assessment of marine fishes. / Ye, Peiyuan; Cheng, Jinping; Lo, Linus Shing Him et al.
In: Marine Pollution Bulletin, Vol. 211, 117422, 02.2025.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review