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
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21222






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Fages 3–6
SSB
% SSB change *
% advice change**
2026 2026 2026 2026 2027 2027 2026
(t) (t) (t) (t) (t) (ratio) (ratio)
ICES Basis Advice
MSY approach: FMSY 14869 12520 2349 0.27 50850 -7.8 -30
Other scenarios
EU MAP^ = FMSY 14869 12520 2349 0.27 50850 -7.8 -30
F = MAP^ FMSYlower 9526 8034 1492 0.163 56472 2.4 -55
F = MAP^ FMSYupper 22931 19254 3676 0.46 42440 -23 8.4
F = 0 0 0 0 0 66566 21 -100
Fpa 24192 20304 3888 0.49 41133 -25 14.4
SSB (2027) = Blim 29375 24600 4776 0.64 35795 -35 39
SSB (2027) = Bpa = MSYBtrigger 21479 18045 3434 0.42 43947 -20 1.58
SSB (2027) = SSB (2026) 10767 9077 1690 0.187 55163 0 -49
F = F2025 13413 11299 2114 0.24 52379 -5 -37
Catch advice (2026) = Catch advice (2025) 21144 17766 3378 0.41 44295 -19.7 0




Symbol Footnotes
* SSB 2027 relative to SSB 2026 (55 163 tonnes).
** Advice value for 2026 relative to advice value for 2025 (21 144 tonnes).
^ EU multiannual plan (MAP) for the Western Waters and adjacent waters (EU, 2019).