This infographic, created in April 2025, tracks the growth in registrations on ISSF’s Vessel in Other Sustainability Initiatives (VOSI).
It shows growth in number and by vessel type — purse seine, longline, pole-and-line, and supply-and-tender — from 2020 through March 2025.
VOSI is a transparency tool for the public — including seafood companies that want to understand which tuna vessels have made public commitments to more sustainable fishing beyond the commitments reflected on ISSF’s ProActive Vessel Register (PVR).
Longline, Pole and Line, Purse Seine, Supply Vessel, Vessel Lists, Vessels in Other Sustainability Initiatives (VOSI)
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