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
2026
Stock Category
2.11
Purpose
Advice
Published
Stock Assessment Key
25826






Catch scenarios


Basis
Total landings
Fishing mortality F/FMSY
Stock size B/BMSY
% Biomass change *
% Advice change **
Probability of B below Blim
2028 2028 2029 2029 2028 2029
(t) (ratio) (ratio) (%) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (15th percentile of predicted landings distribution under F = FMSY) 6559 0.79 1.41 -8.1 -11 0
Other scenarios
F = FMSY 7711 1 1.29 -15.8 5.1 0.01
F = F2026 2207 0.22 1.78 15.7 -70 0
F = 0 0 0 1.93 26 -100 0
Landings = 35th percentile of predicted landings distribution under F=FMSY 7267 0.92 1.34 -12.8 -0.95 0.01




Symbol Footnotes
* Biomass 2029 relative to biomass 2028 at the beginning of the year (1.53).
** Advice value for 2028 relative to landings advice value for 2027 (7 337 tonnes).