Certifier : 
Certified status : 
Certified since : 
08 Sep 2022
Certificate expires : 
07 Sep 2027


Fisheries are composed of one or more parts, each of which is entitled to receive an MSC certificate. These parts or “units” are defined by their target stock(s), fishing gear type(s) and if relevant vessel type(s), and the fishing fleets or groups of vessels.

When the term “Unit of Certification” is used for fishing units that are in assessment, it refers to the “Unit of Assessment” or “Unit of potential certification”. Expand a status below to view the parts that form this fishery. To check the detailed scope, download the latest certificate or open the Assessments page to get the latest report. Find out more by visiting our page on Fisheries

Units of Certification & Certificate Information

  • Certified
    MSC UoC Number Species Gear Type Ocean Area Certificate Code
    UoC-2533 Atlantic bluefin tuna (Thunnus thynnus) Hooks And Lines - Handlines and pole-lines (mechanized): Greenstick 27 (Atlantic, Northeast), 37 (Mediterranean and Black Sea) MSC-F-31567
    UoC-2534 Atlantic bluefin tuna (Thunnus thynnus) Hooks And Lines: trolling, live bait hand line, and hand line with stone (deeper waters) 27 (Atlantic, Northeast), 37 (Mediterranean and Black Sea) MSC-F-31567

View glossary of terms

Catch by Species

Species Reported Catch Year Metric Tonnes
Atlantic bluefin tuna (Thunnus thynnus) 2020 56

Information is provided by an independent Conformity Assessment Body as live weight (the weight of species at the time of catch, before processing) and where a fishing season covers multiple years, the end year is given as the reported catch year. Additional information is available in the latest report, see the assessments page.