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Basking Shark Project - global citizen science observations of Cetorhinus maximus
Citation
Allen H, Gordon C (2026). Basking Shark Project - global citizen science observations of Cetorhinus maximus. Version 1.1. Shark Trust. Samplingevent dataset. https://www.dassh.ac.uk/ipt/resource?r=st_baskingsharkproject&v=1.1 https://doi.org/10.15468/v4ycnv
Contact: Allen, Harriet ; Gordon, Cat ;
Access data
Archived data
Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution 4.0 International License.
Description

This dataset details approved records from the Shark Trust's Basking Shark Project. This dataset is in part comprised of records from the Marine Conservation Society's Basking Shark Watch (1986-2018), and data provided from the Manx Whale and Dolphin Watch.

Comprised of citizen science observations, records of Basking Sharks (sighted from land or at sea) from around the world have been complied to help better understand this species. Data comes mostly from ad-hoc records, with some observations recorded from more structured surveys and data uploads from partner organisations.

Lineage
Prior to publication data undergo quality control checked which are described in https://github.com/EMODnet/EMODnetBiocheck?tab=readme-ov-file#understanding-the-output
Scope
Themes:
Biology > Fish
Keywords:
Marine/Coastal · Bio-geographical regions · Biota · Chondrichthyes · Environment · Geoscientific Information · Habitats and biotopes · Metadata non conformant · Metadata not evaluated · No limitations to public access · Oceans · Sea regions · Social participation · WGS84 (EPSG:4326) · XYZ ASCII · EurOBIS calculated BBOX · Cetorhinus maximus (Gunnerus, 1765)
Geographical coverage
EurOBIS calculated BBOX Stations
Bounding Box
Coordinates: MinLong: -126,87; MinLat: -8,12 - MaxLong: 124,12; MaxLat: 72,09 [WGS84]
Temporal coverage
1 January 1986 - 31 December 2024
1 April 1987 - 5 November 2024 (EurOBIS harvested data)
Taxonomic coverage
Cetorhinus maximus (Gunnerus, 1765) [WoRMS]
Parameter
Count (in assayed sample) of biological entity specified elsewhere [BODC] (EurOBIS harvested data)
Contributors
The Shark Trust, more, data creator
Allen, Harriet
Gordon, Cat
Related datasets
Published in:
EurOBIS: European Ocean Biodiversity Information System, more
URLs
Dataset information:
Other:
Dataset status: Completed
Data type: Data
Data origin: Citizen science
Release date: 2026-04-30
Metadatarecord created: 2026-05-11
Information last updated: 2026-06-04
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy