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
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
19120






Catch scenarios


Basis
Catch
Harvest rate* (ages 5–30)
Btot
% Btot change**
% advice change***
2026 2026 2027 2027 2026
(t) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach, HR = HRMSY 22594 0.043 736711 1.75 27
Other scenarios
HR = 0 0 0 781926 8 -100
HRsq 5417 0.0092 771215 6.5 -70
Harvest rate = HRpa 33914 0.067 713253 -1.49 90
Harvest rate = HRlim 35076 0.069 710811 -1.83 96




Symbol Footnotes
* Harvest rates differ slightly between years and from their respective reference points owing to differences in age structure over time.
** Total biomass for 2026 or 2027 relative to the total biomass for 2025.
*** Advice value for 2025 and 2026 relative to advice value for 2024 (17 855 tonnes).