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Megrim (Lepidorhombus whiffiagonis) in divisions 8.c and 9.a (Cantabrian Sea and Atlantic Iberian waters)
StockCode (Assessment Component)
meg.27.8c9a
Assessment Year
2026
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
22577
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.30932156
Status:
Valid
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 EU multiannual plan (MAP) for Western Waters and adjacent waters is applied, catches in 2027 that correspond to the F ranges in the plan are between 1 342 and 2 987 tonnes. According to the MAP, catches higher than those corresponding to FMSY (1 985 tonnes) can only be taken under conditions specified in the MAP, while the entire range is considered precautionary when applying the ICES advice rule. The use of a combined species total allowable catch (TAC) for the two megrim species, megrim (Lepidorhombus whiffiagonis) and four-spot megrim (Lepidorhombus boscii), prevents effective control of the single-species exploitation rates and could lead to the overexploitation of either 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
Fages 2–4 total
Fages 2–4 projected landings
Fages 1–2 Projected discards
SSB
% SSB change*
% advice change^^
2027
2027
2027
2027
2027
2027
2028
2028
2027
(t)
(t)
(t)
(ratio)
(ratio)
(ratio)
(t)
(%)
(%)
ICES Basis Advice
EU MAP^: FMSY
1985
1935
51
0.173
0.134
0.06
8341
-12.7
-8.1
F = MAP^ FMSY lower
1342
1308
34
0.112
0.087
0.039
9110
-4.6
-8
F = MAP^ FMSY upper
2987
2908
78
0.284
0.216
0.097
7151
-25
-8.3
Other scenarios
F = 0
0
0
0
0
0
0
10718
12.2
-100
FPA
4292
4177
116
0.45
0.348
0.156
5611
-41
99
SSB (2028) = BPA= MSYBtrigger
8643
8359
284
1.99
1.58
0.69
725
-92
300
SSB (2028) = Blim
8842
8545
297
2.245
1.734
0.779
532
-94
310
SSB2028 = SSB2027
974
949
25
0.079
0.061
0.028
9549
0
-55
F = F2026
829
808
21
0.067
0.052
0.023
9724
1.82
-62
Catch advice 2027 = Catch advice 2026
2161
2105
56
0.191
0.147
0.066
8132
-14.8
0
Symbol
Footnotes
*
SSB 2028 relative to SSB 2027 (9 549 tonnes).
^
The EU multiannual plan (MAP; EU, 2019).
^^
Advice values for 2027 relative to the corresponding 2026 values (FMSY 2161 tonnes, FMSY lower 1458 tonnes, FMSY upper 3257 tonnes). All other scenarios are relative to the 2026 value for the FMSY scenario (2161 tonnes).