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
2024
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
19118
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019600.v1






Catch scenarios


Basis
Total landings
Fishing mortality F2026/FMSY
Stock size B2027/BMSY *
% B change **
% advice change***
2026 2026 2027 2027 2027
(t) (ratio) (ratio) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (15th percentile of predicted landings distribution under F = FMSY) 7529 0.78 1.57 1.14 -3.5
Other scenarios
FMSY 9394 1 1.49 -3.7 20
F=F2024 2156 0.21 1.78 14.8 -72
F=0 0 0 1.86 20 -100
Landings = 10th percentile of predicted landings distribution under F=FMSY 7145 0.74 1.58 2.1 -8.4
Landings = 20th percentile of predicted landings distribution under F=FMSY 7849 0.82 1.56 0.32 -0.64
Landings = 35th percentile of predicted landings distribution under F=FMSY 8652 0.91 1.52 -1.74 10.9




Symbol Footnotes
* Biomass is at 01 January.
** Percentage change of B2027/BMSY relative to B2026/BMSY (1.55).
*** Advice value for 2026 relative to landings advice value for 2025 (7799 tonnes).