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
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019237.v1






Catch scenarios


Basis
Catch
Catch
Harvest rate *
Harvest rate *
Btot
Btot
Btot change**
Btot change**
advice change***
advice change***
2025 2026 2025 2026 2026 2027 2026 2027 2025 2026
(t) (t) (ratio) (ratio) (t) (t) (%) (%) (%) (%)
ICES Basis Advice
MSY approach, HR = HRMSY 22309 22594 0.044 0.043 731311 736711 1 1.75 25 27
Other scenarios
HR=0 0 0 0 0 753815 781926 4.1 8 -100 -100
HRsq 5195 5417 0.0092 0.0092 748570 771215 3.4 6.5 -71 -70
HRpa 34237 33914 0.067 0.067 719271 713253 -0.66 -1.49 92 90
HRlim 35494 35076 0.069 0.069 718003 710811 -0.84 -1.83 99 96




Symbol Footnotes
* Harvest rates differ slightly between years 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).