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Witch (Glyptocephalus cynoglossus) in Subarea 4 and in divisions 3.a and 7.d (North Sea, Skagerrak, Kattegat, eastern English Channel)
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Species:
Glyptocephalus cynoglossus
Stock code:
wit.27.3a47d
Assessment Component:
Assessment Year:
2026
Purpose:
Advice
Assessment Key:
22534
Stock Key:
169309
Year
Recruitment
97.5%
2.5%
Spawning Stock Biomass
97.5%
2.5%
Landings
Discards
Fishing pressure
97.5%
2.5%
Age 1
Ages 4-8
thousands
tonnes
tonnes
tonnes
1950
26628
49254
14396
3625
7771
1691
2379
0.29
0.57
0.144
1951
28065
50914
15470
3568
7646
1665
2568
0.30
0.61
0.153
1952
31963
57473
17776
3365
7417
1526
2554
0.32
0.65
0.156
1953
34489
60722
19589
3112
7192
1347
2263
0.30
0.65
0.144
1954
36204
64101
20448
2967
7063
1246
1590
0.26
0.58
0.119
1955
32916
61924
17497
3002
7223
1247
2027
0.28
0.62
0.128
1956
27838
54914
14112
3087
7314
1303
1936
0.28
0.61
0.126
1957
24346
47264
12540
3239
7436
1411
1991
0.28
0.59
0.130
1958
21724
40391
11684
3359
7454
1513
2678
0.31
0.64
0.154
1959
19875
36374
10860
3271
7146
1498
2333
0.32
0.64
0.155
1960
19091
36493
9988
3037
6791
1358
2563
0.34
0.70
0.165
1961
17577
33968
9096
2704
6363
1149
2093
0.32
0.69
0.152
1962
15476
29195
8204
2455
5941
1015
1419
0.28
0.61
0.128
1963
13296
25901
6826
2322
5653
954
1523
0.30
0.64
0.137
1964
11775
24450
5671
2135
5203
876
1760
0.34
0.72
0.157
1965
11094
22388
5497
1893
4612
777
1356
0.32
0.69
0.148
1966
10987
21221
5689
1703
4146
699
1137
0.31
0.67
0.142
1967
13073
24533
6966
1533
3757
626
1125
0.33
0.71
0.150
1968
17104
30699
9530
1336
3401
525
1174
0.36
0.80
0.160
1969
23723
42109
13364
1162
3120
433
891
0.33
0.79
0.139
1970
24904
46179
13430
1101
3006
403
597
0.27
0.68
0.109
1971
25375
47288
13616
1196
3167
452
843
0.29
0.70
0.122
1972
24995
47106
13262
1361
3411
543
908
0.29
0.68
0.127
1973
24499
45616
13157
1626
3842
688
1494
0.33
0.71
0.151
1974
25386
46690
13803
1841
4180
811
1138
0.29
0.63
0.137
1975
27526
50422
15027
2020
4421
923
1841
0.33
0.68
0.162
1976
32921
59729
18145
2086
4511
964
1496
0.31
0.64
0.152
1977
40672
72199
22912
2146
4618
997
1618
0.31
0.63
0.155
1978
51242
87598
29975
2220
4786
1030
1664
0.31
0.62
0.155
1979
60732
106766
34546
2348
4984
1106
1572
0.29
0.58
0.147
1980
61585
113954
33283
2636
5437
1278
1883
0.29
0.57
0.153
1981
57904
107720
31126
3095
6067
1579
1933
0.28
0.52
0.154
1982
54543
100612
29568
3713
6793
2030
3155
0.32
0.54
0.195
1983
55449
99999
30747
4224
7166
2489
3606
0.34
0.54
0.22
1984
56666
100752
31871
4480
7213
2783
3903
0.36
0.54
0.23
1985
58989
102974
33792
4533
7136
2879
3979
0.36
0.54
0.23
1986
58040
103665
32495
4499
7040
2876
3579
0.34
0.51
0.22
1987
53307
99219
28640
4513
7066
2882
3700
0.34
0.51
0.22
1988
47637
89804
25269
4591
7184
2934
3290
0.32
0.48
0.21
1989
44324
82029
23950
4791
7395
3104
3841
0.32
0.48
0.22
1990
43136
77875
23894
4844
7314
3208
3862
0.33
0.47
0.23
1991
45820
80779
25990
4788
7053
3251
3641
0.31
0.45
0.22
1992
48700
84902
27935
4633
6745
3182
3164
0.29
0.41
0.20
1993
52088
90906
29846
4523
6570
3113
2673
0.27
0.38
0.187
1994
55521
98933
31158
4484
6534
3077
2696
0.26
0.38
0.184
1995
56668
101235
31721
4575
6687
3129
2810
0.26
0.38
0.186
1996
55366
97607
31406
4676
6829
3202
2790
0.27
0.39
0.189
1997
53063
92896
30310
4794
6986
3291
3494
0.31
0.44
0.21
1998
49276
86849
27958
4720
6922
3219
3786
0.34
0.50
0.24
1999
45587
80985
25661
4494
6694
3017
4024
0.38
0.56
0.26
2000
42406
75635
23775
4138
6272
2730
4422
0.44
0.65
0.29
2001
43814
74776
25672
3741
5647
2478
4206
0.46
0.68
0.31
2002
41724
69737
24964
3326
4934
2242
3813
0.47
0.68
0.32
2003
36272
59503
22110
2996
4278
2098
3308
0.46
0.64
0.33
2004
28687
46252
17793
2730
3700
2015
3059
0.46
0.61
0.35
2005
25236
39465
16137
2579
3298
2017
2960
0.45
0.57
0.36
2006
25331
38061
16859
2500
3070
2035
2335
0.40
0.50
0.33
2007
19641
29380
13130
2470
2948
2069
2271
0.38
0.46
0.32
2008
39732
55068
28666
2342
2748
1996
1999
0.37
0.45
0.31
2009
62754
86105
45736
2076
2431
1773
1894
409
0.40
0.48
0.33
2010
60416
82808
44079
1989
2346
1687
1550
524
0.34
0.42
0.28
2011
29509
40380
21565
2235
2629
1899
1772
448
0.26
0.32
0.21
2012
24571
33593
17972
2742
3209
2343
2153
447
0.22
0.28
0.181
2013
28099
38269
20632
3306
3879
2817
2033
225
0.24
0.29
0.193
2014
32284
44203
23579
3676
4323
3126
2741
251
0.31
0.37
0.25
2015
23679
32232
17396
3667
4314
3117
2363
399
0.28
0.34
0.23
2016
16960
23592
12192
3730
4362
3188
3025
287
0.29
0.35
0.24
2017
30042
41464
21767
3650
4270
3120
3360
150
0.34
0.41
0.29
2018
25902
35919
18678
3426
4031
2912
3141
152
0.34
0.41
0.28
2019
57263
80001
40988
3164
3756
2665
2707
183
0.34
0.42
0.28
2020
45247
62607
32701
2852
3436
2367
1980
184
0.31
0.38
0.25
2021
50397
70830
35858
2906
3551
2379
1855
228
0.29
0.36
0.23
2022
35121
49602
24868
3091
3860
2474
1653
159
0.26
0.34
0.197
2023
21232
31075
14507
3488
4480
2715
1522
126
0.23
0.32
0.167
2024
27524
42764
17715
4064
5374
3073
1541
117
0.182
0.26
0.127
2025
33240
61736
17897
4650
6346
3407
1550
99
0.151
0.22
0.102
2026
33120
5390
Average
35966
61350
21407
3186
5314
2001
2389
258
0.32
0.53
0.20
Fishing pressure
Stock size
2023
2024
2025
2024
2025
2026
Maximum sustainable yield
F
MSY
Appropriate
MSY B
trigger
Above trigger
Precautionary approach
F
pa
,F
lim
Undefined
B
pa
,B
lim
Full reproductive capacity
Management plan
F
MGT
Below
B
MGT
Above