Advice and Scenarios Database



Thornback ray (Raja clavata) in Division 8.c (Cantabrian Sea)
StockCode (Assessment Component)
rjc.27.8c
Assessment Year
2026
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
25835






Catch scenarios


Basis
Total landings
Fishing mortality F/FMSY
Stock size B/BMSY
% Biomass change **
% Advice change ***
Probability of B below Blim
2027 2027 2028 2028 2027 2028
(t) (ratio) (ratio) (%) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (15th percentile of predicted catch distribution under F = FMSY) 444 0.62 1.75 -3.6 25 0.031
Other scenarios
F = FMSY 704 1 1.67 -7.8 99 0.065
F = F2026 573 0.81 1.71 -5.7 62 0.045
F = 0 0 0 1.88 3.7 -100 0.008
Landings = 35th percentile of predicted landings distribution under F=FMSY 592 0.83 1.7 -6 67 0.048




Symbol Footnotes
* The figures in the table are rounded. Calculations were done with unrounded inputs, and computed values may not match exactly when calculated using the rounded figures in the table.
** Biomass 2028 relative to biomass 2027 at the beginning of the year (1.81).
*** Advice value for 2027 relative to landings advice value for 2026 (354 tonnes).