Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact

Latest version published by OBIS Secretariat on 25 October 2023 OBIS Secretariat
Publication date:
25 October 2023
Published by:
OBIS Secretariat
CC0 1.0

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Here we pilot a novel, rapid and non-invasive environmental DNA (eDNA) metabarcoding approach specifically targeted to infer shark presence, diversity and eDNA read abundance in tropical habitats. We identified at least 21 shark species, from both Caribbean and Pacific Coral Sea water samples, whose geographical patterns of diversity and read abundance coincide with geographical differences in levels of anthropogenic pressure and conservation effort. We demonstrate that eDNA metabarcoding can be effectively employed to study shark diversity.

Data Records

The data in this occurrence resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 509 records.

1 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

Occurrence (core)

This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.


The table below shows only published versions of the resource that are publicly accessible.

How to cite

Researchers should cite this work as follows:

Bakker J, Wangensteen O S, Chapman D D, Boussarie G, Buddo D, Guttridge T L, Hertler H, Mouillot D, Vigliola L, Mariani S, Earl C (2023). Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact. Version 2.0. OBIS Secretariat. Occurrence dataset. https://doi.org/10.25607/tciqld


Researchers should respect the following rights statement:

The publisher and rights holder of this work is OBIS Secretariat. To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: af6f962a-3dad-43df-a9e3-36ad528a4977.  OBIS Secretariat publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Ocean Biodiversity Information System.




Judith Bakker
  • Originator
University of Salford
Owen S. Wangensteen
  • Originator
University of Salford
Demian D. Chapman
  • Originator
Florida International University
Germain Boussarie
  • Originator
Université Montpellier
Dayne Buddo
  • Originator
University of the West Indies
Tristan L. Guttridge
  • Originator
Bimini Biological Field Station Foundation
Heidi Hertler
  • Originator
The SFS Centre for Marine Resource Studies
David Mouillot
  • Originator
Université Montpellier
Laurent Vigliola
  • Originator
Laboratoire d’Excellence Labex Corail
Stefano Mariani
  • Originator
University of Salford
Chandra Earl
  • Metadata Provider
  • Processor
eDNA Scientific Officer
OBIS Secretariat
  • Point Of Contact

Geographic Coverage

Lagoons of New Caledonia

Bounding Coordinates South West [-23.127, 162.726], North East [-17.899, 167.747]

Taxonomic Coverage


Superclass Agnatha
Unranked Chondrichthyes, Osteichthyes

Sampling Methods

No Description available

Method step description:

  1. See Github Project and R Notebook for dataset construction methods

Bibliographic Citations

  1. Bakker, J., Wangensteen, O.S., Chapman, D.D. et al. Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact. Sci Rep 7, 16886 (2017). https://doi.org/10.1038/s41598-017-17150-2

Additional Metadata

marine, harvested by iOBIS

Purpose These data were made accessible through UNESCO's eDNA Expeditions project to mobilize available marine species and occurrence datasets from World Heritage Sites.
Alternative Identifiers 10.25607/tciqld