Advice and Scenarios Database



Spurdog (Squalus acanthias) in subareas 1-10, 12 and 14 (the Northeast Atlantic and adjacent waters)
StockCode (Assessment Component)
dgs.27.nea
Assessment Year
2022
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
17491
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19753588.v1






Catch scenarios


Basis
Catch
Harvest rate* (ages 5–30)
Btot
% Btot change**
% advice change***
2023 2023 2023 2024 2023
(t) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach, HR = HRMSY 17353 0.044 571234 1.24
Other scenarios
HR = 0 0 0 588776 4.4
HRsq 1315 0.003 587446 4.1
Harvest rate = HRpa 19663 0.05 568898 0.83
Harvest rate = HRlim 27528 0.069 560941 -0.58




Symbol Footnotes
* Harvest rates differ slightly between years owing to differences in age structure over time.
** Total biomass for 2024 or 2025 relative to the total biomass for 2023.
*** Advice value for 2023 and 2024 relative to advice value for 2021 and 2022 (0 tonnes).