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Thornback ray (Raja clavata) in divisions 8.a-b and 8.d (Bay of Biscay)
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Species: Raja clavata
Stock code: rjc.27.8abd
Assessment Year:2022
Purpose:Advice
Assessment Key: 17430
Stock Key: 252349

 
 
 
 
 
 
 
 
       

 



YearRelative biomass95%5%LandingsRelative fishing pressure95%5%
        
 tonnes  tonnesratio   
20090102392.35.91.27
20100102462.46.01.30
20110102171.794.40.98
20120102271.884.51.06
20130102442.04.61.15
20140102411.724.00.98
20151102661.653.90.94
20161102111.293.30.70
20171102321.213.00.65
20181102731.213.00.64
20191102661.032.40.54
20201112660.972.40.51
20211113051.022.50.51
2022110    
Average1102491.583.80.86

 


 
 Fishing pressure Stock size
  201920202021  202020212022
Maximum sustainable yieldFMSYAbove MSY BtriggerAbove trigger
Precautionary approachFpa,FlimIncreased risk Bpa,BlimFull reproductive capacity
Management planFMGTNot applicable BMGTNot applicable