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Spotted ray (Raja montagui) in Subarea 4 and divisions 3.a and 7.d (North Sea, Skagerrak, Kattegat, and eastern English Channel)
StockCode (Assessment Component)
rjm.27.3a47d
Assessment Year
2025
Stock Category
2
Purpose
Advice
Published
Stock Assessment Key
21087
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27202833
Status:
Active
Advice Component
Advice Category
*
FMSYranges
MP
MSY
NoAdv
Other
PA
Advice Type
*
Catches
Effort
FishMort
Landings
NoAd
NoFish
Advice Unit
*
t
ratio
%
AdviceValue
*
Advice Value Lower Range
Advice Value Upper Range
Wanted Catch
Wanted Catch Lower Range
Wanted Catch Upper Range
Advice Sentence
*
ICES advises that when the maximum sustainable yield (MSY) approach is applied, catches in 2026 and 2027 should be no more than 1 468 and 1 357 tonnes, respectively. If discard rates do not change from the average of the last three years (2022–2024), this implies landings in 2026 and 2027 of no more than 832 and 769 tonnes, respectively. Management of the catches of skates and rays under a combined total allowable catch (TAC) prevents effective control of single-stock exploitation rates and could lead to overexploitation of some species.
Advice Released Date
*
Advice Applicable From
*
Advice Applicable Until
*
TAF Link
Management Alignment
Full
Multiple
Other
Partial
MP WebLink
Management Plan Ownership
Link To Evaluation
Inquiries or Comments?
Email:
Message:
Catch scenarios
Basis
Total catch
Projected landings*
Projected discards*
Fishing mortality F2026/FMSY
Stock size B2027/BMSY
% B/BMSY change**
% advice change***
2026
2026
2026
2026
2027
2027
2026
(t)
(t)
(t)
(ratio)
(ratio)
(%)
(%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach (15th percentile of predicted catch distribution under F = FMSY)
1468
832
636
0.69
1.56
-8.9
3.7
Other scenarios
FMSY
2055
1164
891
1
1.46
-15.1
45
F=F2025
523
296
227
0.24
1.73
1.16
-63
F=0
0
0
0
0
1.83
6.7
-100
F = FMSY fractile 35
1811
1026
785
0.87
1.5
-12.5
28
Symbol
Footnotes
*
Based on the average discard rate (2022–2024).
**
Percentage change of B2027/BMSY relative to B2026/BMSY (1.71).
***
Advice value for 2026 relative to the catch advice value for 2025 (1415 tonnes).
^
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.
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