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Spurdog (Squalus acanthias) in subareas 1-10, 12 and 14 (the Northeast Atlantic and adjacent waters)
Species:
Stock Assessment Graphs
Stock code:
dgs.27.nea
Assessment Year:
2018
Key:
10262
Unit weights
tonnes
Unit recruitment
thousands
Fishing pressure description
Harvest Rate
Fishing pressure units
ratio
Stock size description
Other Stock Size
Stock size units
tonnes
Fish reference points
Management plan
SSB
MP
F
MP
MSY approach
MSYB
trigger
683340
F
MSY
Precautionary approach
B
lim
B
pa
F
lim
F
pa
Age and Length
Recruitment
0
F
5-30
Fish data
Year
Low Recruitment
Recruitment
High Recruitment
Low TBiomass
TBiomass
High TBiomass
Low SSB
SSB
High SSB
Landings
Catches
Discards
Low F
F
High F
1905
407402.2
425677
443951.8
1553648
1623340
1693032
323588
338103
352618
7248
7248
0.00526362
0.0057849
0.00630618
1906
407577
425864
444151
1546576
1616270
1685964
321769.2
336234
350698.8
2200
2200
0.00160548
0.00176468
0.00192388
1907
407624.6
425915
444205.4
1544772
1614470
1684168
321216.4
335674
350131.6
1428
1428
0.001043464
0.00114696
0.001250456
1908
407653.8
425946
444238.2
1543836
1613540
1683244
320862.6
335320
349777.4
1409
1409
0.00103032
0.00113253
0.00123474
1909
407681
425975
444269
1543012
1612720
1682428
320527.4
334985
349442.6
2022
2022
0.001479538
0.00162626
0.001772982
1910
407716
426013
444310
1541666
1611380
1681094
320061.6
334515
348968.4
1563
1563
0.001144826
0.00125832
0.001371814
1911
407739.8
426039
444338.2
1540882
1610600
1680318
319737.4
334190
348642.6
1957
1957
0.001434292
0.0015765
0.001718708
1912
407767
426069
444371
1539786
1609510
1679234
319342.8
333792
348241.2
3199
3199
0.00234646
0.00257904
0.00281162
1913
407810.4
426118
444425.6
1537568
1607300
1677032
318668
333106
347544
4050
4050
0.00297543
0.00327033
0.00356523
1914
407858.6
426174
444489.4
1534660
1604400
1674140
317810
332233
346656
2641
2641
0.001944322
0.00213704
0.002329758
1915
407882.4
426202
444521.6
1533320
1603070
1672820
317332.2
331752
346171.8
2602
2602
0.001917532
0.00210766
0.002297788
1916
407903.6
426227
444550.4
1532132
1601890
1671648
316891.2
331309
345726.8
534
534
0.000393881
0.000432911
0.000471941
1917
407899.2
426221
444542.8
1533072
1602840
1672608
317000
331430
345860
339
339
0.000249901
0.000274671
0.000299441
1918
407891.6
426211
444530.4
1534214
1603990
1673766
317191.2
331633
346074.8
451
451
0.000332216
0.000365102
0.000397988
1919
407882.8
426200
444517.2
1535226
1605010
1674794
317387
331838
346289
2659
2659
0.00195733
0.00215094
0.00234455
1920
407898.4
426219
444539.6
1534058
1603850
1673642
317058
331502
345946
4396
4396
0.00323857
0.00355897
0.00387937
1921
407928.6
426257
444585.4
1531268
1601070
1670872
316315
330742
345169
5321
5321
0.00392764
0.00431636
0.00470508
1922
407961.2
426300
444638.8
1527726
1597540
1667354
315354.6
329762
344169.4
5401
5401
0.00399662
0.00439234
0.00478806
1923
407984.2
426334
444683.8
1524304
1594130
1663956
314384.6
328776
343167.4
5655
5655
0.0041948
0.0046104
0.005026
1924
408000.2
426362
444723.8
1520838
1590680
1660522
313365.4
327743
342120.6
6355
6355
0.00472585
0.00519425
0.00566265
1925
408006.6
426383
444759.4
1516902
1586760
1656618
312190.4
326553
340915.6
6719
6719
0.00501082
0.00550768
0.00600454
1926
408000
426393
444786
1512852
1582730
1652608
310953.4
325302
339650.6
7277
7277
0.005443
0.00598292
0.00652284
1927
407977
426389
444801
1508512
1578410
1648308
309616.8
323951
338285.2
8395
8395
0.00629921
0.00692417
0.00754913
1928
407930
426366
444802
1503358
1573280
1643202
308048.6
322365
336681.4
9522
9522
0.00717191
0.00788369
0.00859547
1929
407847.6
426313
444778.4
1497430
1567380
1637330
306254.2
320550
334845.8
9320
9320
0.0070504
0.00775036
0.00845032
1930
407743.8
426239
444734.2
1492060
1562040
1632020
304574.4
318855
333135.6
11914
11914
0.00904867
0.00994719
0.01084571
1931
407563.4
426101
444638.6
1484496
1554510
1624524
302315
316570
330825
11838
11838
0.00904117
0.00993949
0.01083781
1932
407347.2
425929
444510.8
1477446
1547500
1617554
300151.8
314387
328622.2
16726
16726
0.01284134
0.0141177
0.01539406
1933
406937.8
425591
444244.2
1466048
1536150
1606252
296850
311046
325242
20244
20244
0.01567384
0.0172339
0.01879396
1934
406295
425045
443795
1451822
1521980
1592138
292760.6
306911
321061.4
20378
20378
0.01594548
0.0175355
0.01912552
1935
405516.6
424372
443227.4
1438226
1508450
1578674
288741.6
302858
316974.4
22266
22266
0.01760252
0.0193606
0.02111868
1936
404506.4
423487
442467.6
1423518
1493820
1564122
284373
298458
312543
20925
20925
0.01672866
0.0184022
0.02007574
1937
403461
422565
441669
1410928
1481320
1551712
280482
294550
308618
23930
23930
0.01931768
0.0212519
0.02318612
1938
402092
421347
440602
1396084
1466580
1537076
276009.4
290056
304102.6
18196
18196
0.01485824
0.0163479
0.01783756
1939
401110.4
420476
439841.6
1387668
1458280
1528892
273150.8
287202
301253.2
20119
20119
0.01653704
0.0181939
0.01985076
1940
399951.4
419442
438932.6
1377880
1448620
1519360
270018.8
284070
298121.2
9428
9428
0.00780853
0.00859071
0.00937289
1941
399815.4
419338
438860.6
1379172
1450050
1520928
269750.2
283840
297929.8
8740
8740
0.00723125
0.00795321
0.00867517
1942
399826.8
419366
438905.2
1381250
1452270
1523290
269870.8
284000
298129.2
10625
10625
0.00877557
0.00964895
0.01052233
1943
399742.4
419305
438867.6
1381478
1452650
1523822
269730
283889
298048
8181
8181
0.00675404
0.00742482
0.0080956
1944
399955
419512
439069
1384160
1455490
1526820
270361
284559
298757
8151
8151
0.00671322
0.00737854
0.00804386
1945
400222.4
419767
439311.6
1386808
1458300
1529792
271129.6
285366
299602.4
6776
6776
0.00556749
0.00611857
0.00666965
1946
400644.4
420160
439675.6
1390712
1462370
1534028
272319.6
286601
300882.4
10895
10895
0.00892184
0.00980416
0.01068648
1947
400717.8
420238
439758.2
1390422
1462250
1534078
272532
286841
301150
16893
16893
0.01383196
0.0152013
0.01657064
1948
400257.2
419837
439416.8
1384206
1456210
1528214
271243.8
285560
299876.2
19491
19491
0.01603048
0.0176224
0.01921432
1949
399518.2
419189
438859.8
1375660
1447850
1520040
269252.6
283577
297901.4
23010
23010
0.01904504
0.0209439
0.02284276
1950
398363.6
418171
437978.4
1363986
1436370
1508754
266313.8
280648
294982.2
24750
24750
0.0206678
0.0227382
0.0248086
1951
396917.4
416894
436870.6
1351072
1423660
1496248
262880.6
277234
291587.4
35301
35301
0.0297742
0.0327706
0.035767
1952
394097
414375
434653
1328268
1401080
1473892
256799.4
271159
285518.6
40550
40550
0.0348211
0.0383511
0.0418811
1953
390241
410915
431589
1301170
1374230
1447290
249422.8
263801
278179.2
38206
38206
0.0335303
0.0369571
0.0403839
1954
386304
407376
428448
1277404
1350740
1424076
242695.8
257114
271532.2
40570
40570
0.0363018
0.0400364
0.043771
1955
381669
403193
424717
1252208
1325850
1399492
235531
249995
264459
43127
43127
0.0394014
0.0434822
0.047563
1956
376269
398299
420329
1225372
1299360
1373348
227950
242463
256976
46951
46951
0.0438676
0.0484442
0.0530208
1957
369827
392429
415031
1195622
1270000
1344378
219698.6
234262
248825.4
45570
45570
0.0436642
0.0482594
0.0528546
1958
363353
386511
409669
1168120
1242940
1317760
212094.2
226709
241323.8
50394
50394
0.0494321
0.0546781
0.0599241
1959
355601
379387
403173
1136548
1211870
1287192
203651.2
218319
232986.8
47394
47394
0.0477773
0.0529055
0.0580337
1960
226130
367532
508934
1110088
1184260
1258432
196287
211008
225729
53997
53997
0.0557629
0.0618115
0.0678601
1961
220698
358842
496986
1077596
1150640
1223684
187680.2
202461
217241.8
57721
57721
0.0614317
0.0681995
0.0749673
1962
214152
348270
482388
1041902
1113810
1185718
178511.6
193361
208210.4
57256
57256
0.0630232
0.0701036
0.077184
1963
207137
336847
466557
1007126
1077860
1148594
169764.4
184690
199615.6
62288
62288
0.0708792
0.0790158
0.0871524
1964
198797
323247
447697
967556
1037100
1106644
160111.4
175128
190144.6
60146
60146
0.0712133
0.0795513
0.0878893
1965
190442
309582
428722
930199
998587
1066975
151239
166343
181447
49336
49336
0.0607295
0.0679369
0.0751443
1966
183989
298869
413749
903525
970845
1038165
145161.6
160335
175508.4
42713
42713
0.0540388
0.0604886
0.0669384
1967
179071
290625
402179
883027
949393
1015759
140890.2
156129
171367.8
44116
44116
0.0569567
0.0637635
0.0705703
1968
174352
282844
391336
860459
925997
991535
136566.6
151861
167155.4
56043
56043
0.0740479
0.0829061
0.0917643
1969
167762
272394
377026
825206
890074
954942
129768.6
145048
160327.4
52074
52074
0.071518
0.0802182
0.0889184
1970
165564
270528
375492
793839
858171
922503
124047.8
139211
154374.2
47557
47557
0.0676744
0.0760464
0.0844184
1971
162488
266222
369956
766689
830615
894541
119460.8
134403
149345.2
45653
45653
0.0670374
0.075463
0.0838886
1972
161114
265278
369442
741342
804978
868614
115265.8
129977
144688.2
50416
50416
0.0763309
0.0860919
0.0958529
1973
158167
261751
365335
711081
774573
838065
109823.4
124360
138896.6
49412
49412
0.0778012
0.0880232
0.0982452
1974
155508
258704
361900
681905
745381
808857
104375.2
118794
133212.8
45684
45684
0.0748475
0.0849853
0.0951231
1975
153371
257389
361407
656700
720314
783928
99537
113873
128209
44119
44119
0.0749041
0.0853477
0.0957913
1976
152964
259022
365080
633518
697426
761334
94852
109119
123386
44064
44064
0.0774186
0.0885374
0.0996562
1977
150267
255705
361143
610616
674978
739340
90017.6
104223
118428.4
42252
42252
0.0768965
0.0883097
0.0997229
1978
142532
241156
339780
589050
654074
719098
85466.9
99623.5
113780.1
47235
47235
0.0888392
0.102469
0.1160988
1979
130001
219339
308677
561595
627509
693423
79728.5
93842.1
107955.7
38201
38201
0.074895
0.0869124
0.0989298
1980
120859
202625
284391
542521
609481
676441
75934.5
90037.1
104139.7
40968
40968
0.0822575
0.0958883
0.1095191
1981
111799
186839
261879
519797
587959
656121
71738.1
85840.3
99942.5
39962
39962
0.0825457
0.0967617
0.1109777
1982
105681
176935
248189
497308
566822
636336
67918.3
82042.3
96166.3
32402
32402
0.0690004
0.081385
0.0937696
1983
104330
175460
246590
481782
552782
623782
65569.1
79755.5
93941.9
37046
37046
0.0803394
0.0952714
0.1102034
1984
98257
165147
232037
460281
532885
605489
62143.9
76411.9
90679.9
35194
35194
0.0784725
0.0938641
0.1092557
1985
92153
155023
217893
439340
513628
587916
59044.8
73425.2
87805.6
38674
38674
0.0881292
0.106249
0.1243688
1986
90148
153482
216816
414124
490234
566344
55400.5
69915.7
84430.9
30910
30910
0.0724423
0.0881777
0.1039131
1987
87793
150583
213373
395879
473895
551911
53730.5
68436.7
83142.9
42356
42356
0.101418
0.124736
0.148054
1988
82560
144398
206236
365302
445362
525422
49362.2
64296.6
79231
35569
35569
0.08907
0.11146
0.13385
1989
82463
146803
211143
341319
423601
505883
46305.2
61527.6
76750
30279
30279
0.0784997
0.0998857
0.1212717
1990
77439
138411
199383
321931
406453
490975
44060.6
59613.8
75167
29906
29906
0.079775
0.103319
0.126863
1991
81059
146485
211911
303069
390089
477109
41314.8
57213
73111.2
29563
29563
0.080968
0.106918
0.132868
1992
73094
137034
200974
283926
373544
463162
38233.4
54473.4
70713.4
29046
29046
0.081399
0.109633
0.137867
1993
64492
122168
179844
264491
356717
448943
35296.2
51872.4
68448.6
25637
25637
0.073809
0.102297
0.130785
1994
62221
118461
174701
248197
343187
438177
32534.1
49455.7
66377.3
20851
20851
0.0610612
0.0870472
0.1130332
1995
53920
105962
158004
235995
333689
431383
30564
47850
65136
21318
21318
0.0624036
0.0903896
0.1183756
1996
51359
106847
162335
223066
323652
424238
28884.3
46547.1
64209.9
17295
17295
0.0507118
0.0753118
0.0999118
1997
49974
107086
164198
213752
317346
420940
27914.7
45988.9
64063.1
15348
15348
0.0446788
0.0677328
0.0907868
1998
48691
106083
163475
205846
312486
419126
27299
45824.6
64350.2
13919
13919
0.0401013
0.0619913
0.0838813
1999
47249
104271
161293
198797
308481
418165
26933.9
45958.9
64983.9
12385
12385
0.0352548
0.0556648
0.0760748
2000
47550
104904
162258
192827
305589
418351
26755.1
46331.5
65907.9
15891
15891
0.0445359
0.0716379
0.0987399
2001
44613
104265
163917
182914
298820
414726
25823.6
45991.6
66159.6
16693
16693
0.0463626
0.0769566
0.1075506
2002
43731
105999
168267
171991
291183
410375
24555.1
45367.1
66179.1
11170
11170
0.0307397
0.0530337
0.0753277
2003
44654
110748
176842
166600
289246
411892
24230.5
45738.5
67246.5
12247
12247
0.0331746
0.0585446
0.0839146
2004
44051
112643
181235
160018
286266
412514
23557.6
45773.6
67989.6
9366
9366
0.0249939
0.0454239
0.0658539
2005
44042
114572
185102
156284
286268
416252
23295.5
46201.5
69107.5
8426
8426
0.0219802
0.041204
0.0604278
2006
42500
112924
183348
153327
287127
420927
22880.1
46442.1
70004.1
4109
4109
0.0105365
0.0199851
0.0294337
2007
43864
117170
190476
154750
292562
430374
23434.8
47630.8
71826.8
2929
2929
0.0073174
0.013992
0.0206666
2008
46078
122576
199074
157407
299457
441507
24171.9
48995.9
73819.9
1836
1836
0.00451011
0.00850911
0.01250811
2009
49296
129610
209924
161265
307801
454337
25251.8
50715.8
76179.8
2640
2640
0.0062968
0.0119054
0.017514
2010
57105
143201
229297
164597
316111
467625
26209
52321
78433
1249
2468.33
1219.33
0.0057186
0.010888
0.0160574
2011
49021
127799
206577
167578
323654
479730
27154.2
53922.2
80690.2
580
2468.33
1888.33
0.0055503
0.0106511
0.0157519
2012
49871
128511
207151
170540
331270
492000
28047.5
55493.5
82939.5
261
2468.33
2207.33
0.0053775
0.0104111
0.0154447
2013
51650
134192
216734
173688
339268
504848
28879.9
57043.9
85207.9
333
2468.33
2135.33
0.0052004
0.010162
0.0151236
2014
51959
133675
215391
176800
347248
517696
29656.5
58596.5
87536.5
383
2468.33
2085.33
0.00502037
0.00990557
0.01479077
2015
53184
138188
223192
180055
355467
530879
30379
60167
89955
237
2468.33
2231.33
0.00485322
0.00966002
0.01446682
2016
56600
146238
235876
183499
364039
544579
31049
61745
92441
349
2468.33
2119.33
0.00470912
0.00944012
0.01417112
2017
57746
150114
242482
187022
372728
558434
31661.6
63313.6
94965.6
273
2468.33
2195.33
0.00457348
0.00922168
0.01386988
2018
79368
152138
224908
190660
381466
572272
32237.8
64885.8
97533.8
Custom reference points
CustomRefPointName
CustomRefPointValue
CustomRefPointNotes
HRmsy
0.032
Calculated each time
custom2
custom3
custom4
custom5
Custom fish data column names
Custom fish data
Sensivity data