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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:2025
Purpose:Advice
Assessment Key: 19498
Stock Key: 169309

 
 
 
 
 
 
 
 
       

 



YearRecruitment97.5%2.5%Spawning Stock Biomass97.5%2.5%LandingsDiscardsFishing pressure97.5%2.5%  
 Age 1       Ages 4-8    
 thousands  tonnes  tonnestonnes     
19502662448571145943626770517062379 0.290.570.146  
19512805950233156733548755616662568 0.310.600.154  
19523204156774180823339731715232554 0.320.640.157  
19533484460420200953097710813492263 0.310.640.145  
19543662063858210012969702612551590 0.260.580.120  
19553342961593181442993716312512027 0.280.620.129  
19562818354296146293075725313031936 0.280.600.127  
19572451446863128233217735114081991 0.280.590.132  
19582186240169118993309732814942678 0.320.640.156  
19592004636190111043218703214722333 0.320.650.157  
19601922736101102402984667313342563 0.340.700.167  
1961177203378392952667626411362093 0.330.690.154  
1962156172914483682435588810071419 0.280.620.131  
196313442257327021229255869401523 0.300.640.139  
196411863240485852209651268571760 0.340.720.159  
196511085220725567186345607611356 0.320.700.150  
196610991209235774167541026841137 0.310.680.145  
196713027239817077150337126081125 0.330.720.153  
196817214303779755130833595101174 0.360.810.162  
196923665413571354111463104423891 0.330.800.140  
197025528460331415610973026398597 0.280.680.111  
197125785468101420311853171443843 0.290.710.122  
197225327467701371513473400533908 0.300.680.128  
1973246274510113447158737696681494 0.330.710.154  
1974253344595213967180140867941138 0.300.640.140  
1975274404948715215197443349001841 0.340.680.164  
1976327245826018381204844459431496 0.320.640.154  
1977407777097423427211345699771618 0.320.640.157  
19785157386666306902188473310121664 0.310.630.156  
197961309105989354642328495610931572 0.300.590.149  
198062183112736342992615538312711883 0.300.570.154  
198158212106112319343072596715811933 0.280.520.157  
19825471999001302443655660520223155 0.330.540.197  
19835540498183312644139695524633606 0.350.540.22  
19845687899140326324398703327513903 0.360.550.23  
198559359101556346964461698128503979 0.360.540.24  
198658631102408335684444691528563579 0.340.510.23  
19875357097276295014465694828693700 0.340.510.22  
19884752487499258124555706529373290 0.320.480.21  
19894392879517242674729722730953841 0.330.480.22  
19904268875338241874774713931933862 0.330.470.23  
19914528278109262524717689332283641 0.320.450.22  
19924833082418283414577661331693164 0.290.420.21  
19935165388158302644485646331122673 0.270.380.189  
19945491595661315254461644430882696 0.260.380.187  
19955596397610320864544658131382810 0.270.380.188  
19965488494461318894649672532152790 0.270.390.191  
19975283390464308554748685732883494 0.310.440.22  
19984923285096284834673679932113786 0.340.500.24  
19994553379468260894449658330074024 0.390.560.26  
20004251274380242974091616527154422 0.440.640.30  
20014439573689267463685554624494206 0.460.680.32  
20024238768554262083273483822143813 0.470.680.33  
20033682258390232202947418620743308 0.470.650.34  
20042850244332183242694362120053059 0.460.610.35  
20052488937517165112554323320172960 0.450.570.36  
20062586337527178252486301920482335 0.400.490.33  
20071928827915133272450289220762271 0.380.460.32  
20084047954602300092326270120041999 0.380.450.32  
200964088856484795620712399178818944090.400.480.34  
201062309833144659920012329171915505240.350.420.28  
201131588423702355022552616194317724480.260.320.21  
201226390353491970227773210240221534470.220.280.183  
201331135414512338633933927293220332250.230.280.193  
201434323458352570137944405326727412510.300.360.25  
201524254322501824138194441328523633990.280.340.23  
201617278233961275938484459332130252870.280.340.24  
201729949403842221037384343321733601500.340.400.28  
201826394357621948035124111300031411520.330.400.27  
201958304796424268232513846274727071830.330.410.27  
202046197629373391029563558245619801840.300.370.24  
202151126712973666230563736250018552280.270.350.21  
202236035515732517933534185268616531590.240.310.179  
202322156344351425639845090311815221260.200.280.145  
202428198522501521748676385371015411170.1630.240.113  
202534290  5702         
Average36334607142207131785268200624002680.320.540.20  

 


 
 Fishing pressure Stock size
  202220232024  202320242025
Maximum sustainable yieldFMSYAppropriate MSY BtriggerAbove trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimFull reproductive capacity
Management planFMGTNot applicable BMGTNot applicable