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Stock Assessment Graphs
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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)
Species:
Stock Assessment Graphs
Stock code:
wit.27.3a47d
Assessment Year:
2025
Key:
19498
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
F
Fishing pressure units
Stock size description
SSB
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
4576
F
MSY
0.163
Precautionary approach
B
lim
3293
B
pa
4576
F
lim
F
pa
0.267
Age and Length
Recruitment
1
F
4-8
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1950
14594
26624
48571
1706
3626
7705
2379
0.146
0.29
0.57
1951
15673
28059
50233
1666
3548
7556
2568
0.154
0.31
0.6
1952
18082
32041
56774
1523
3339
7317
2554
0.157
0.32
0.64
1953
20095
34844
60420
1349
3097
7108
2263
0.145
0.31
0.64
1954
21001
36620
63858
1255
2969
7026
1590
0.12
0.26
0.58
1955
18144
33429
61593
1251
2993
7163
2027
0.129
0.28
0.62
1956
14629
28183
54296
1303
3075
7253
1936
0.127
0.28
0.6
1957
12823
24514
46863
1408
3217
7351
1991
0.132
0.28
0.59
1958
11899
21862
40169
1494
3309
7328
2678
0.156
0.32
0.64
1959
11104
20046
36190
1472
3218
7032
2333
0.157
0.32
0.65
1960
10240
19227
36101
1334
2984
6673
2563
0.167
0.34
0.7
1961
9295
17720
33783
1136
2667
6264
2093
0.154
0.33
0.69
1962
8368
15617
29144
1007
2435
5888
1419
0.131
0.28
0.62
1963
7021
13442
25732
940
2292
5586
1523
0.139
0.3
0.64
1964
5852
11863
24048
857
2096
5126
1760
0.159
0.34
0.72
1965
5567
11085
22072
761
1863
4560
1356
0.15
0.32
0.7
1966
5774
10991
20923
684
1675
4102
1137
0.145
0.31
0.68
1967
7077
13027
23981
608
1503
3712
1125
0.153
0.33
0.72
1968
9755
17214
30377
510
1308
3359
1174
0.162
0.36
0.81
1969
13541
23665
41357
423
1146
3104
891
0.14
0.33
0.8
1970
14156
25528
46033
398
1097
3026
597
0.111
0.28
0.68
1971
14203
25785
46810
443
1185
3171
843
0.122
0.29
0.71
1972
13715
25327
46770
533
1347
3400
908
0.128
0.3
0.68
1973
13447
24627
45101
668
1587
3769
1494
0.154
0.33
0.71
1974
13967
25334
45952
794
1801
4086
1138
0.14
0.3
0.64
1975
15215
27440
49487
900
1974
4334
1841
0.164
0.34
0.68
1976
18381
32724
58260
943
2048
4445
1496
0.154
0.32
0.64
1977
23427
40777
70974
977
2113
4569
1618
0.157
0.32
0.64
1978
30690
51573
86666
1012
2188
4733
1664
0.156
0.31
0.63
1979
35464
61309
105989
1093
2328
4956
1572
0.149
0.3
0.59
1980
34299
62183
112736
1271
2615
5383
1883
0.154
0.3
0.57
1981
31934
58212
106112
1581
3072
5967
1933
0.157
0.28
0.52
1982
30244
54719
99001
2022
3655
6605
3155
0.197
0.33
0.54
1983
31264
55404
98183
2463
4139
6955
3606
0.22
0.35
0.54
1984
32632
56878
99140
2751
4398
7033
3903
0.23
0.36
0.55
1985
34696
59359
101556
2850
4461
6981
3979
0.24
0.36
0.54
1986
33568
58631
102408
2856
4444
6915
3579
0.23
0.34
0.51
1987
29501
53570
97276
2869
4465
6948
3700
0.22
0.34
0.51
1988
25812
47524
87499
2937
4555
7065
3290
0.21
0.32
0.48
1989
24267
43928
79517
3095
4729
7227
3841
0.22
0.33
0.48
1990
24187
42688
75338
3193
4774
7139
3862
0.23
0.33
0.47
1991
26252
45282
78109
3228
4717
6893
3641
0.22
0.32
0.45
1992
28341
48330
82418
3169
4577
6613
3164
0.21
0.29
0.42
1993
30264
51653
88158
3112
4485
6463
2673
0.189
0.27
0.38
1994
31525
54915
95661
3088
4461
6444
2696
0.187
0.26
0.38
1995
32086
55963
97610
3138
4544
6581
2810
0.188
0.27
0.38
1996
31889
54884
94461
3215
4649
6725
2790
0.191
0.27
0.39
1997
30855
52833
90464
3288
4748
6857
3494
0.22
0.31
0.44
1998
28483
49232
85096
3211
4673
6799
3786
0.24
0.34
0.5
1999
26089
45533
79468
3007
4449
6583
4024
0.26
0.39
0.56
2000
24297
42512
74380
2715
4091
6165
4422
0.3
0.44
0.64
2001
26746
44395
73689
2449
3685
5546
4206
0.32
0.46
0.68
2002
26208
42387
68554
2214
3273
4838
3813
0.33
0.47
0.68
2003
23220
36822
58390
2074
2947
4186
3308
0.34
0.47
0.65
2004
18324
28502
44332
2005
2694
3621
3059
0.35
0.46
0.61
2005
16511
24889
37517
2017
2554
3233
2960
0.36
0.45
0.57
2006
17825
25863
37527
2048
2486
3019
2335
0.33
0.4
0.49
2007
13327
19288
27915
2076
2450
2892
2271
0.32
0.38
0.46
2008
30009
40479
54602
2004
2326
2701
1999
0.32
0.38
0.45
2009
47956
64088
85648
1788
2071
2399
1893.753
2302.667
408.9138
0.34
0.4
0.48
2010
46599
62309
83314
1719
2001
2329
1550.286
2073.919
523.6329
0.28
0.35
0.42
2011
23550
31588
42370
1943
2255
2616
1771.839
2219.613
447.774
0.21
0.26
0.32
2012
19702
26390
35349
2402
2777
3210
2152.997
2599.606
446.6093
0.183
0.22
0.28
2013
23386
31135
41451
2932
3393
3927
2032.589
2258.012
225.4227
0.193
0.23
0.28
2014
25701
34323
45835
3267
3794
4405
2741.18
2992.455
251.2751
0.25
0.3
0.36
2015
18241
24254
32250
3285
3819
4441
2362.549
2761.718
399.1692
0.23
0.28
0.34
2016
12759
17278
23396
3321
3848
4459
3024.874
3311.641
286.7665
0.24
0.28
0.34
2017
22210
29949
40384
3217
3738
4343
3359.599
3509.407
149.8079
0.28
0.34
0.4
2018
19480
26394
35762
3000
3512
4111
3141.268
3292.796
151.5276
0.27
0.33
0.4
2019
42682
58304
79642
2747
3251
3846
2706.5
2889.611
183.1104
0.27
0.33
0.41
2020
33910
46197
62937
2456
2956
3558
1979.665
2163.737
184.0716
0.24
0.3
0.37
2021
36662
51126
71297
2500
3056
3736
1854.846
2083.081
228.2347
0.21
0.27
0.35
2022
25179
36035
51573
2686
3353
4185
1652.864
1812.29
159.4262
0.179
0.24
0.31
2023
14256
22156
34435
3118
3984
5090
1522.28
1648.62
126.3396
0.145
0.2
0.28
2024
15217
28198
52250
3710
4867
6385
1540.507
1657.557
117.0493
0.113
0.163
0.24
2025
34289.98
5702
Custom reference points
Custom fish data column names
Custom fish data
Sensivity data