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The ICCAT Secretariat maintains over 2 gigabytes of information in various databases. Most of these can be accessed through the links below. We are currently working on making available the remaining datasets via Internet.

The dissemination of ICCAT data is according to the Rules and Procedures for the protection, access to, and dissemination of data compiled by ICCAT, adopted by the Commission in 2010. While most databases currently used in the stock assessments and other SCRS work are of public domain and are published in this web page, the aforementioned rules also include procedures for using data classified as confidential. Such confidential data are voluntarily provided by CPCs for specific use by the SCRS.  

Task I web
Web-based application to view nominal catches of Atlantic tunas and tuna-like fish (including sharks), by gear, region and flag in web application [version 01/2020].
Task I Excel
MS Excel pivot table to obtain nominal catches of Atlantic tunas and tuna-like fish (including sharks), by gear, region and flag [MS Excel; version 01/2020].

* Last update published on the web. Future updates available upon request to ""

Task II catch/effort
Task II Catch & Effort in Access Data Base [MS Access; version 01/2020]. Read Me
Task II catch/effort Web
Web-based application to view Task II Catch & Effort records Version 01/2020. Read Me
Task II catch/effort by operation mode [Fad/Free school] (only tropicals)
Purse seine Catch & Effort statistics of tropical fishery by operation mode (Fad / Free school) between 1991 and 2018 [Excel; version 01/2020].
Task II size
Task II Size in Access Data Base [MS Access; version Nov 2013, 32 Mb(rar)].
Task II catch data raised to total landings (5x5 degree squares, quarter, gear) [Updated 11/2019; CSV format]
Read Me    -   Codes
Spatio-Temporal estimates of overall Atlantic Fishing Effort for Longline and Purse seine fleets.
currently under revision by the SCRS
Examples of catch at size data used in assessments (Albacore, Bigeye, Bluefin, Skipjack, Swordfish and Yellowfin) . All files are in "*.csv" format.
File headers are:
SpeciesCode, StockID, YearC, FlagName, FleetCode, GearGrpCode, GearCode, TimeCatch, SquareTypeCode, QuadID, Lat, Lon,
SchoolType {0:NA/none; 1:FAD; 2:Free School} (only BET, SKJ, YFT)
[Lclasses, 1cm lower limit, in Number]
YFT {30, 21, 22,  ... 180} (29- and  181+ are accumulated class groups)
BET {30, 21, 22,  ... 190} (29- and  191+ are accumulated class groups)
SKJ {20, 21, 22,  ...   90} (19- and  91+ are accumulated class groups)
Conventional tag data [09/2019]
ALB Albacore BET Bigeye tuna BFT Atlantic Bluefin tuna
BSH Blue shark BUM Atlantic blue marlin POR Porbeagle
SAI Atlantic sailfish SKJ Skipjack tuna SMA Shortfin mako
SWO Swordfish WHM Atlantic white marlin YFT Yellowfin tuna
Electronic tag Inventory [07/2019]
Inventory of archival tag releases
Observer data
Observer data currently available only for US longline, 1992-2000. [2,635 kb].
Statistical Bulletin
The Bulletin, updated annually, summarizes available information in a user-friendly format that includes multiple tables and graphs.