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Thornback ray (Raja clavata) in divisions 7.a, 7.f, and 7.g (Irish Sea, Bristol Channel, Celtic Sea North)
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Species: Raja clavata
Stock code: rjc.27.7afg
Assessment Component:
Assessment Year:2026
Purpose:Advice
Assessment Key: 25860
Stock Key: 169204

 
 
 
 
 
 
 
 
       

 



YearBiomass index 97.5%2.5%Landings
     
 Kilograms per hour  tonnes
19932.063.510.94 
19941.852.851.04 
19953.024.561.64 
19962.553.721.45 
19972.614.461.26 
19982.784.011.68 
19992.423.61.43 
20001.712.610.98 
20012.914.371.7 
20022.633.711.7 
20032.693.951.61 
20045.239.382.68 
20052.523.511.63 
20062.644.21.51 
20072.423.411.58 
20082.934.141.73 
20093.615.032.41671
20103.654.862.52780
20113.094.311.97944
20123.424.672.331165
20134.776.243.361048
20145.127.123.53790
20153.795.232.54903
20166.789.034.78861
20177.8510.385.8878
20189.4812.86.93843
20199.7412.67.27960
2020   910
202110.1312.847.68973
20229.0211.496.621023
202310.6313.427.88879
202410.7214.017.72825
20256.899.54.84806
Average4.746.553.21898

 


 
 Fishing pressure Stock size
  202220232024  202320242025
Maximum sustainable yieldFMSYAbove MSY BtriggerAbove
Precautionary approachFpa,FlimUndefined Bpa,BlimUndefined
Management planFMGTNot applicable BMGTNot applicable
Qualitative evaluation-Not applicable -Not applicable