Advice and Scenarios Database



Cuckoo ray (Leucoraja naevus) in subareas 6-7 and divisions 8.a-b and 8.d (West of Scotland, southern Celtic Seas, and western English Channel, Bay of Biscay)
StockCode (Assessment Component)
rjn.27.678abd
Assessment Year
2022
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
17701
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.19754470.v1






Catch scenarios


Basis
Total landings
Fishing mortality F2024/FMSY
Stock size B2025/BMSY
% biomass change^
% advice change^^
2024 2024 2025 2025 2023
(t) (ratio) (ratio) (%) (%)
ICES Basis Advice
MSY approach (15th percentile of predicted landings distribution under F = FMSY) 8064 0.85 1.54 2.7 156
Other scenarios
F = FMSY 9372 1 1.49 -0.7 197
F = F2021 = Fsq 1753 0.17 1.79 19.3 -45
F = 0 0 0 1.85 23.3 -100
F=FMSY fractile 10 7783 0.81 1.56 4 147
F=FMSY fractile 20 8295 0.87 1.51 0.7 163
F=FMSY fractile 35 8863 0.94 1.91 27.3 181




Symbol Footnotes
^ Biomass 2025 relative to biomass 2024.
^^ Advice value for 2023 relative to the advice value for 2021 and 2022 (3150 tonnes).