Advice and Scenarios Database



Cuckoo ray (Leucoraja naevus) in Division 9.a (Atlantic Iberian waters)
StockCode
rjn.27.9a
Assessment Year
2024
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
19111






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) 100 0.62 1.58 -6 -7.4
Other scenarios
FMSY 145 1 1.39 -17 34
F=F2024 31 0.17 1.84 10 -71
F=0 0 0 1.94 15 -100
Landings = 10th percentile of predicted landings distribution under F=FMSY 91 0.56 1.62 -3.6 -16
Landings = 20th percentile of predicted landings distribution under F=FMSY 107 0.68 1.55 -7.7 -0.93
Landings = 35th percentile of predicted landings distribution under F=FMSY 127 0.83 1.47 -13 18




Symbol Footnotes
* Biomass is at 01 January.
** Percentage change of B2027/BMSY relative to B2026/BMSY.
*** Advice value for 2026 relative to the advice value for 2025 (108 tonnes).