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***
2025 2025 2026 2026 2025
(t) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach, HR = HRMSY 22309 0.044 731311 1 25
Other scenarios
HR = 0 0 0 753815 4.1 -100
HRsq 5195 0.0092 748570 3.4 -71
Harvest rate = HRpa 34237 0.067 719271 -0.66 92
Harvest rate = HRlim 35494 0.069 718003 -0.84 99




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).