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Downloadable Guides
Longline Skippers Guidebooks
Pole and Line Skippers Guidebook
Purse Seine Observer Guides
Purse Seine Skippers Guidebooks
Online Guidebooks
Online Longline Skippers Guidebook
Online Purse Seine Observers Guide
Online Purse Seine Skippers Guide
Additional Resources
Species Identification Guides
Other Resources
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Chapter 1: Sustainable Longline Tuna Fisheries
Gallery 1.2
Longline Guidebook
Table of Contents
Chapter 1
Chapter Objectives
ISSF Approaches to Improving Tuna Sustainability
Gallery 1.1
ISSF Activities
Gallery 1.2
ISSF ProActive Vessel Register
Gallery 1.3
ISSF Participating Companies
Conservation Measures
Chapter 2
Chapter Objectives
Section 1: Sea Turtles
Sea Turtle Identification
Mitigating Turtle Bycatch
Other Mitigation Methods
Best Practices Infographic
Examples of Hooked Turtles
Dehooking or Untangling a Turtle
Tools for Turtle Handling
Dehooking or Untangling Techniques in Water
Dehooking or Untangling Techniques on Board
Turtle Recovery and Release
Section 2: Seabirds
Commonly Encountered Seabirds
Identifying Seabirds
Seabird Species
Seabird Bycatch Mitigation Measures
Bird-Scaring Lines
Night Setting
Weighted Branch Lines
Line Weighting Smart Gear Prize
Hook Shielding and Bait Setting Devices
Other Measures
Handling and Release
Hook Removal and Seabird Recovery
Seabird Interactions and Best Practices
Section 3: Sharks
Commonly Encountered Sharks
Shark Bycatch and RFMOs
Shark Bycatch Mitigation Measures
Shark Anatomy, Handling, and Release
Releasing Sharks Caught in Pelagic Longline Fisheries
Proper Handling of Sharks
Incorrect Shark Handling and Release
Final Notes
Chapter 3
Chapter Objectives
International Organizations and Instruments
Inter-American Tropical Tuna Commission
Western And Central Pacific Fisheries Commission
International Commission for the Conservation of Atlantic Tunas
Indian Ocean Tuna Commission
Commission for the Conservation of Southern Bluefin Tuna
Further Notes on Data Reporting and Compliance
Conclusion
Feedback Form
Copyright
ISSF-sponsored scientist observing fish behavior during a bycatch research cruise in the Indian Ocean
ISSF-sponsored scientist tagging a tuna during a bycatch research cruise in the Western Pacific Ocean
ISSF Skippers Workshops, where scientists and fishers share ideas to improve the sustainability of tuna purse seine fisheries
Advocating for science-based conservation and management of the tuna stocks and their ecosystems at the meetings of the tuna RFMOs
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