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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

 
 
 
 
 
 
 
 
       

 



YearRecruitment97.5%2.5%Spawning Stock Biomass97.5%2.5%LandingsDiscardsFishing pressure97.5%2.5%  
 Age 1       Ages 4-8    
 thousands  tonnes  tonnestonnes     
19502662849254143963625777116912379 0.290.570.144  
19512806550914154703568764616652568 0.300.610.153  
19523196357473177763365741715262554 0.320.650.156  
19533448960722195893112719213472263 0.300.650.144  
19543620464101204482967706312461590 0.260.580.119  
19553291661924174973002722312472027 0.280.620.128  
19562783854914141123087731413031936 0.280.610.126  
19572434647264125403239743614111991 0.280.590.130  
19582172440391116843359745415132678 0.310.640.154  
19591987536374108603271714614982333 0.320.640.155  
1960190913649399883037679113582563 0.340.700.165  
1961175773396890962704636311492093 0.320.690.152  
1962154762919582042455594110151419 0.280.610.128  
196313296259016826232256539541523 0.300.640.137  
196411775244505671213552038761760 0.340.720.157  
196511094223885497189346127771356 0.320.690.148  
196610987212215689170341466991137 0.310.670.142  
196713073245336966153337576261125 0.330.710.150  
196817104306999530133634015251174 0.360.800.160  
196923723421091336411623120433891 0.330.790.139  
197024904461791343011013006403597 0.270.680.109  
197125375472881361611963167452843 0.290.700.122  
197224995471061326213613411543908 0.290.680.127  
1973244994561613157162638426881494 0.330.710.151  
1974253864669013803184141808111138 0.290.630.137  
1975275265042215027202044219231841 0.330.680.162  
1976329215972918145208645119641496 0.310.640.152  
1977406727219922912214646189971618 0.310.630.155  
19785124287598299752220478610301664 0.310.620.155  
197960732106766345462348498411061572 0.290.580.147  
198061585113954332832636543712781883 0.290.570.153  
198157904107720311263095606715791933 0.280.520.154  
198254543100612295683713679320303155 0.320.540.195  
19835544999999307474224716624893606 0.340.540.22  
198456666100752318714480721327833903 0.360.540.23  
198558989102974337924533713628793979 0.360.540.23  
198658040103665324954499704028763579 0.340.510.22  
19875330799219286404513706628823700 0.340.510.22  
19884763789804252694591718429343290 0.320.480.21  
19894432482029239504791739531043841 0.320.480.22  
19904313677875238944844731432083862 0.330.470.23  
19914582080779259904788705332513641 0.310.450.22  
19924870084902279354633674531823164 0.290.410.20  
19935208890906298464523657031132673 0.270.380.187  
19945552198933311584484653430772696 0.260.380.184  
199556668101235317214575668731292810 0.260.380.186  
19965536697607314064676682932022790 0.270.390.189  
19975306392896303104794698632913494 0.310.440.21  
19984927686849279584720692232193786 0.340.500.24  
19994558780985256614494669430174024 0.380.560.26  
20004240675635237754138627227304422 0.440.650.29  
20014381474776256723741564724784206 0.460.680.31  
20024172469737249643326493422423813 0.470.680.32  
20033627259503221102996427820983308 0.460.640.33  
20042868746252177932730370020153059 0.460.610.35  
20052523639465161372579329820172960 0.450.570.36  
20062533138061168592500307020352335 0.400.500.33  
20071964129380131302470294820692271 0.380.460.32  
20083973255068286662342274819961999 0.370.450.31  
200962754861054573620762431177318944090.400.480.33  
201060416828084407919892346168715505240.340.420.28  
201129509403802156522352629189917724480.260.320.21  
201224571335931797227423209234321534470.220.280.181  
201328099382692063233063879281720332250.240.290.193  
201432284442032357936764323312627412510.310.370.25  
201523679322321739636674314311723633990.280.340.23  
201616960235921219237304362318830252870.290.350.24  
201730042414642176736504270312033601500.340.410.29  
201825902359191867834264031291231411520.340.410.28  
201957263800014098831643756266527071830.340.420.28  
202045247626073270128523436236719801840.310.380.25  
202150397708303585829063551237918552280.290.360.23  
202235121496022486830913860247416531590.260.340.197  
202321232310751450734884480271515221260.230.320.167  
202427524427641771540645374307315411170.1820.260.127  
20253324061736178974650634634071550990.1510.220.102  
202633120  5390         
Average35966613502140731865314200123892580.320.530.20  

 


 
 Fishing pressure Stock size
  202320242025  202420252026
Maximum sustainable yieldFMSYAppropriate MSY BtriggerAbove trigger
Precautionary approachFpa,FlimUndefined Bpa,BlimFull reproductive capacity
Management planFMGTBelow BMGTAbove