Bluntnose Sixgill Shark (Hexanchus griseus): COSEWIC assessment and status report
Official title: COSEWIC Assessment and Status Report on the Bluntnose Sixgill Shark Hexanchus Griseus in Canada
Table of contents
- Assessment Summary
- Executive Summary
- Species Information
- Distribution
- Habitat
- Biology
- Interactions with Fisheries
- Population Sizes and Trends
- Limiting Factors and Threats
- Special Significance of the Species
- Existing Protection or Other Status Designations
- Technical Summary
- Acknowledgements and Authorities Consulted
- Information Sources
- Biographical Summary of Report Writers
- Appendix 1. References to bluntnose sixgill shark in early non-scientific publications
- Appendix 2. Reported catch of bluntnose sixgill shark from Canada’s Pacific fisheries
- Appendix 3. Sum of Catch (kg) by Fishery
- Appendix 4. Estimated actual catch of bluntnose sixgill shark in commercial fisheries
- Appendix 5. Number of recreational dives and number of sharks observed per year
Special concern 2007
COSEWIC
Committee on the Status of Endangered Wildlife in Canada
COSEPAC
Comité sur la situation des espèces en péril au Canada
COSEWIC status reports are working documents used in assigning the status of wildlife species suspected of being at risk. This report may be cited as follows:
COSEWIC 2007. COSEWIC assessment and status report on the bluntnose sixgill shark Hexanchus griseus in Canada. Committee on the Status of Endangered Wildlife in Canada. Ottawa. vii + 33 pp.
Production note cosewic would like to acknowledge Scott Wallace, Gordon McFarlane and Jacquelynne King for writing the status report on bluntnose sixgill shark, Hexanchus griseus, in Canada, prepared under contract with Environment Canada. The report was overseen and edited by Paul Bentzen, Co-chair, COSEWIC Marine Fishes Species Specialist Subcommittee and Jamie Gibson, member, Marine Fishes Species Specialist Subcommittee.
For additional copies contact:
COSEWIC Secretariat
c/o Canadian Wildlife Service
Environment Canada
Ottawa, ON
K1A 0H3
Tel.: 819-953-3215
Fax: 819-994-3684
COSEWIC E-mail
COSEWIC website
Également disponible en français sous le titre Évaluation et Rapport de situation du COSEPAC sur le requin griset (Hexanchus griseus) au Canada.
Cover illustration
Bluntnose sixgill shark -- Source: Compagno 1984.
©Her Majesty the Queen in Right of Canada 2007
Catalogue No. CW69-14/524-2007E-PDF
ISBN 978-0-662-46004-6
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