Advice and Scenarios Database



Norway pout (Trisopterus esmarkii) in Subarea 4 and Division 3.a (North Sea, Skagerrak and Kattegat)
StockCode (Assessment Component)
nop.27.3a4
Assessment Year
2025
Stock Category
1
Purpose
Advice
Published
Stock Assessment Key
21230
Link to Advice Sheet
https://doi.org/10.17895/ices.advice.27202770






Catch scenarios


Basis
Catch (01 November 2025–31 October 2026)*
F (01 November 2025–31 October 2026)**
5th percentile spawning-stock biomass (SSB; 4th quarter 2026)
Median spawning-stock biomass (SSB; 4th quarter 2026)
% SSB change***
% catch change^
% advice change^^
2026 2026 2026 2026 2026 2026 2026
(t) (ratio) (t) (t) (%) (%) (%)
ICES Basis Advice
Maximum sustainable yield (MSY) approach: F = 0 0 0 16910 42171 6 -100
Other scenarios
F=Fstatus quo^^^ 2239 0.034 16309 40801 2.6 -23
F = 0.2 12358 0.2 13455 35721 -10.2 324
F = 0.3 17846 0.3 11724 33012 -17 513
F = 0.4 22957 0.4 10395 30713 -23 688
F = 0.5 27704 0.5 9351 28793 -28 851
F = 0.6 32135 0.6 8372 26958 -32 1004
F = 0.7 36244 0.7 7515 25272 -36 1145




Symbol Footnotes
* The catch forecast is for the period 01 October to 30 September and approximates the total allowable catch (TAC) period 01 November 2025 to 31 October 2026.
** Any differences between values in this table and other values in Table 1 are due to stochasticity in the projections.
*** SSB at the beginning of the 4th quarter of 2026 relative to SSB at the beginning of the 4th quarter of 2025 (39 767tonnes).
^ Catches from 01 October 2025 to 30 September 2026 relative to catches from 01 October 2024 to 15 September 2025 (2912 tonnes).
^^ Advice value 2026 relative to the advice value 2025 (0 tonnes). No values are provided because the previous advice was 0.
^^^ Fishing mortality from the 4th quarter of 2024 to the 3rd quarter of 2025 (0.034); from the assessment model.