Advice and Scenarios Database



Megrim (Lepidorhombus whiffiagonis) in divisions 7.b-k, 8.a-b, and 8.d (west and southwest of Ireland, Bay of Biscay)
StockCode (Assessment Component)
meg.27.7b-k8abd
Assessment Year
2026
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
26024
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.3093214






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Fages 3–6 Total
Spawning-stock biomass (SSB)
% SSB change*
% advice change**
Probability of SSB less than Blim in 2028
2027 2027 2027 2027 2028 2028 2027 2028
(t) (t) (t) (ratio) (t) (%) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: FMSY × SSB2027/MSY Btrigger 14020 11747 2262 0.22 44042 -1.9 -5.7 13
Other scenarios
EU MAP^ = FMSY × SSB2027/MSY Btrigger 14020 11747 2262 0.22 44042 -1.9 -5.7 13
F = MAP^ FMSYlower × SSB2027/MSY Btrigger 11961 10039 1926 0.189 45477 1.3 -19.6 9
F = MAP^ FMSYupper × SSB2027/MSY Btrigger 14020 11747 2262 0.22 44042 -1.9 -5.7 13
F = 0 0 0 0 0 53819 19.9 -100 1
FPA 15421 12916 2492 0.25 43058 -4.1 3.7 15
SSB (2028) = Blim 25758 21527 4214 0.46 35971 -19.9 73 50
SSB (2028) = BPA = MSY Btrigger 5538 4659 884 0.083 49935 11.2 -63 2
SSB(2028)=SSB(2027) 12803 10741 2063 0.2 44897 0 -13.9 10
F = F2026 11177 9375 1798 0.176 45935 2.3 -25 12
F giving 5% risk of SSB less than Blim 8825 7423 1415 0.136 47654 6.1 -41 5




Symbol Footnotes
* SSB 2028 relative to SSB 2027 (44895 tonnes).
** Advice value for 2027 relative to advice value for 2026 (14869 tonnes).
^ EU multiannual plan (MAP) for the Western Waters and adjacent waters (EU, 2019).