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Stock assessments are quantitative estimates of the status (abundance) of the fish stocks and of the intensity of fishing upon them. Assessments underpin the scientific advice for management that is provided by the Standing Committee on Research and Statistics to the Commission: They aim at evaluating the sustainability of current and proposed future harvest practices in light of the Commission's objective to maintain the populations at a level that permits their maximum sustainable catch. The species Executive Summaries and Detailed Reports of stock assessments prepared by the SCRS can be downloaded from this site. Readers are warned that the concusions reached from a stock assessment can depend on a number of factors such as the available data, the various hypotheses examined and the assumptions made during analysis.


SPECIES Last / Next assessment Reports Assessment model(s)
used for advice
Images
Yellowfin Tuna
Thunnus albacares
YFT
2019 / 2024 Summary
Detailed
Stock Synthesis (V3.30.13.09),
JABBA (v1.5 Beta) and mpb (FLR)
Yellowfin B/W drawing
Bigeye Tuna
Thunnus obesus
BET
2021/2025 Summary
Stock Synthesis (V3.24P) Bigeye being caught


Bigeye Drawing


Bigeye B/W drawing


Bigeye color drawing

Skipjack Tuna
Katsuwonus pelamis

SKJ
2022/ TBD Summary
Detailed
East Atlantic:
JABBA (v2.2.6) and Stock Synthesis (V3.30.18)

West Atlantic:
Stock Synthesis (V3.30.18)
Skipjack Picture

Skipjack Drawing

Skipjack color drawing

Albacore
Thunnus alalunga
ALB
2023/ TBD
Atl

Summary
North Atlantic:
mpb (FLR)

South Atlantic
:
JABBA (v2.1)
Albacore color drawing

2021 / 2024
Med
Summary
Detailed
Atl. Bluefin Tuna
Thunnus thynnus t.
BFT
2017 / 2026*
East & Med

Summary
Detailed
East Atlantic and Mediterranean Sea:
VPA2box (V4.01)


Bluefin color drawing

2021/2026*
West
Summary
Detailed
West Atlantic:
Stock Synthesis (V3.30.14)
Southern Bluefin
Thunnus maccoyii
SBF
2020 / 2023 Report MSE  
Swordfish
Xiphias gladius
SWO
2022 / TBD
Atl
Summary
Detailed
North Atlantic:
JABBA (V2.2.6) and Stock Synthesis (V3.30.18)

South Atlantic
:
JABBA (V2.2.6)
Swordfish color drawing

2020 / TBD
Med
Summary
Detailed
JABBA (v2.1)
Sailfish
Istiophorus albicans
SAI
2023/ TBD Summary
Detailed
East Atlantic:
BSP and Stock Reduction Analysis

West Atlantic
:
Stock Synthesis
Sailfish Drawing

Blue Marlin
Makaira nigricans
BUM
2018 / 2024 Summary
Detailed
Stock Synthesis (V3.24AD) and
JABBA (v1.1)
Blue Marlin Drawing

White Marlin
Kajikia albida
WHM
2019 / 2025 Summary
Detailed
Stock Synthesis (V3.30.13.03) and
JABBA (v1.5 Beta)
White Marlin Drawing

Small Tunas
(various)
SMT
NA / TBD Summary
Detailed
N/A Atlantic bonito Drawing
Bullet tuna Drawing
Frigate tuna Drawing
King mackerel Drawing
Little tuna Drawing
Atlantic Spanish Mackerel Drawing

Pelagic sharks
  Detailed

Blue Shark
Prionace glauca
BSH
2023/ TBD
Summary
North Atlantic:
BSP and Stock Synthesis (V3.24U)

South Atlantic:
BSP and State-Space BSP

Blue shark Drawing

Shortfin mako
Isurus oxyrinchus
SMA
2019 / 2025
Summary
Detailed
North Atlantic:
Stock Synthesis (V3.24), JABBA and BSP2-JAGS

South Atlantic
:
CMSY and BSP2-JAGS
Shortfin mako shark Drawing

Porbeagle
Lamna nasus
POR
2020 / TBD Summary
Detailed
Northwest Atlantic:
BSP and ASPM
Porbeagle Drawing

2020 / TBD Southwest Atlantic:
BSP and CFASP
2022 / TBD Northeast Atlantic:
SPiCT(v1.3.5)
2020 / TBD Southeast Atlantic:
N/A

* Provisional date, subject to the Commission decision.
TBD-To be decided