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 F2023/FMSY
Stock size B2024/BMSY
% biomass change^
% advice change^^
2023 2023 2024 2024 2023
(t) (ratio) (ratio) (%) (%)
ICES Basis Advice
MSY approach (15th percentile of predicted landings distribution under F = FMSY) 7826 0.85 1.5 -9.1 148
Other scenarios
F = FMSY 9035 1 1.45 -13.8 187
F = F2021 = Fsq 4035 0.42 1.65 -2.2 28
F = 0 0 0 1.8 7 -100
F=FMSY fractile 10 7563 0.82 1.51 -8.5 140
F=FMSY fractile 20 8040 0.88 1.49 -9.7 155
F=FMSY fractile 35 8565 0.94 1.47 -13.7 171




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