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
meg.27.7b-k8abd
Assessment Year
2024
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
18973
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.25019342.v1






Catch scenarios


Basis
Total catch
Projected landings
Projected discards
Fages 3–6 Total
Fages 3–6 Projected landings
Fages 1–2 Projected discards
SSB
SSB change*
Advice change^
2025 2025 2025 2025 2025 2025 2026 2026 2025
(t) (t) (t) (ratio) (ratio) (ratio) (t) (%) (%)
ICES Basis Advice
MSY approach: FMSY 21144 18132 3012 0.25 0.2 0.02 73492 -12.4 -9.3
Other scenarios
EU MAP^^ = FMSY 21144 18132 3012 0.25 0.2 0.02 73492 -12.4 -9.3
F = MAP^^ FMSYlower 13317 11439 1878 0.149 0.12 0.012 81567 -2.8 -43
F = MAP^^ FMSYupper 32522 27811 4711 0.42 0.34 0.034 61856 -26 40
F = 0 0 0 0 0 0 0 95403 13.7 -100
Fpa 32522 27811 4711 0.42 0.34 0.034 61856 -26 40
Flim 41115 35071 6044 0.57 0.46 0.047 53168 -37 76
SSB (2026) = Blim 56950 48286 8665 0.94 0.76 0.077 37491 -55 144
SSB (2026) = Bpa 51061 43402 7660 0.79 0.64 0.065 43259 -48 119
SSB(2026)=MSYBtrigger 51061 43402 7660 0.79 0.64 0.065 43259 -48 119
SSB(2026)=SSB(2025) ((2025) 11079 9521 1558 0.122 0.172 0.017 83883 0 -52
F = F2024 18349 15745 2604 0.21 0.099 0.01 76370 -9 -21
Catch advice (2025) = Catch advice (2024) 23303 19974 3329 0.28 0.23 0.023 71275 -15 0




Symbol Footnotes
* SSB 2026 relative to SSB 2025 (83 883 tonnes).
^ Advice value for 2025 relative to advice value for 2024 (23 303 tonnes).
^^ EU multiannual plan (MAP) for the Western Waters and adjacent waters (EU, 2019).