Bycatch

ByCatch > Advice 2025





2025 ICES Advice on bycatch of endangered, threatened and protected (ETP) species of marine mammals, seabirds, marine turtles and selected fish species of bycatch relevance.

For details, see ICES, 2025. Bycatch of endangered, threatened and protected (ETP) species of marine mammals, seabirds, marine turtles and selected fish species of bycatch relevance. In Report of the ICES Advisory Committee, 2025. ICES Advice 2025, byc.eu. https://doi.org/10.17895/ices.advice.30734714

For explanations of columns, see Annex 7 in the above document.



ICES ecoregion
Metier 4
Species
     
Common Name
Taxon
Priority
     
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ICES ecoregion Metier L4 Taxon Species Common Name Reported Bycatch 2024 Fishing effort (DaS) 2024 monitoring effort (DaS) 2017-2024 BPUE BPUE lower CI BPUE upper CI Bycatch 2024 Bycatch lower CI Bycatch upper CI Priority
bay of biscay and the iberian coast gns seabirds phalacrocorax carbo great cormorant 4 45477.1 7141 0.0008 0.0002 0.0028 34 9 130 No
bay of biscay and the iberian coast lld seabirds puffinus puffinus manx shearwater 4 2172.62 74.5954 0.2786 0.023 3.3786 uncertain uncertain uncertain No
bay of biscay and the iberian coast ptb seabirds rissa tridactyla black-legged kittiwake 4 7565.44 1374.61 0.0026 0.0002 0.0353 uncertain uncertain uncertain No
celtic seas gtr mammals delphinus delphis short-beaked common dolphin 4 2931.1 512.738 0.017 0.0026 0.1101 50 8 323 Yes
celtic seas ott mammals delphinus delphis short-beaked common dolphin 4 10637.1 1372.1 0.0041 0.001 0.0176 44 11 188 Yes
greater north sea gns seabirds gavia stellata red-throated loon 4 35093.5 5088.05 0.0249 0.0003 2.3081 uncertain uncertain uncertain No
icelandic waters gns seabirds fratercula arctica atlantic puffin 4 4595 1144 0.0034 0.0012 0.0098 16 6 45 No
icelandic waters gns mammals lagenorhynchus albirostris white-beaked dolphin 4 4595 1144 0.0034 0.0007 0.0165 16 4 76 No
baltic sea gtr mammals phoca vitulina harbor seal 5 4376 570.693 0.0088 0.0036 0.021 38 16 93 No
baltic sea lld seabirds uria aalge common guillemot 5 21 75 0.0649 0.012 0.3498 1 1 8 No
bay of biscay and the iberian coast gns seabirds puffinus mauretanicus balearic shearwater 5 45477.1 7141 0.004 0.0004 0.0412 uncertain uncertain uncertain Yes
bay of biscay and the iberian coast ptm mammals globicephala melas long-finned pilot whale 5 4836.47 1215.76 0.0018 0.0002 0.0162 uncertain uncertain uncertain No
greater north sea gns mammals delphinus delphis short-beaked common dolphin 5 35093.5 7287.95 0 0 0.0323 uncertain uncertain uncertain Yes
greater north sea gns elasmobranchs dipturus intermedius common skate 5 35093.5 5299.05 0 0 0.0042 NA NA NA Yes
icelandic waters gns seabirds phalacrocorax carbo great cormorant 5 4595 1144 0.0035 0.0008 0.0157 16 4 72 No
icelandic waters lls seabirds larus fuscus lesser black-backed gull 5 6506 303 0.0096 0.0014 0.0639 uncertain uncertain uncertain No
norwegian sea gns seabirds alca torda razorbill 5 7001.1 0.0009 0 0.0183 NA NA NA No
aegean-levantine sea lld turtles chelonia mydas green sea turtle 6 1345.21 106 0.0689 0.0115 0.4144 93 16 558 Yes
azores lld turtles dermochelys coriacea leatherback turtle 6 1106.8 480 0.0123 0.0045 0.0341 14 5 38 Yes
baltic sea otm mammals halichoerus grypus gray seal 6 16297.5 3857.39 0 0 0.1699 NA NA NA No
bay of biscay and the iberian coast gns mammals halichoerus grypus gray seal 6 45477.1 7339 0.0009 0.0003 0.0025 43 16 115 No
bay of biscay and the iberian coast gtr mammals tursiops truncatus bottlenose dolphin 6 71937.2 8055.18 0.0007 0.0003 0.0017 54 25 120 No
icelandic waters gns seabirds morus bassanus northern gannet 6 4595 1144 0.0052 0.0024 0.0117 24 11 54 No
bay of biscay and the iberian coast gns seabirds larus michahellis yellow-legged gull 7 45477.1 7141 0 0 0.8286 NA NA NA No
bay of biscay and the iberian coast gns mammals tursiops truncatus bottlenose dolphin 7 45477.1 7339 0.0016 0.0006 0.0047 74 26 216 No
bay of biscay and the iberian coast gtr seabirds larus fuscus lesser black-backed gull 7 71937.2 7980.18 0 0 0.0029 NA NA NA No
bay of biscay and the iberian coast gtr seabirds phalacrocorax carbo great cormorant 7 71937.2 7980.18 0.0001 0 1.1074 NA NA NA No
bay of biscay and the iberian coast ps seabirds larus michahellis yellow-legged gull 7 56608.7 1397.32 0.0047 0.0013 0.0173 265 72 978 No
greater north sea gns seabirds fulmarus glacialis northern fulmar 7 35093.5 5088.05 0.0016 0.0003 0.01 56 9 353 No
greater north sea gtr seabirds melanitta nigra black scoter 7 10854.1 1064.49 0.1107 0.0012 10.3714 uncertain uncertain uncertain No
greater north sea gtr seabirds phalacrocorax carbo great cormorant 7 10854.1 1064.49 0.0083 0.0029 0.024 90 32 261 No
greater north sea ptb elasmobranchs dipturus intermedius common skate 7 5222.58 722.822 0.023 0.0023 0.2282 120 13 1192 Yes
ionian sea and the central mediterranean sea otb elasmobranchs leucoraja melitensis maltese skate 7 65604.3 499 0 0 0.6149 NA NA NA Yes
norwegian sea gns seabirds uria aalge common guillemot 7 7001.1 0.0049 0.0001 0.3334 NA NA NA No
adriatic sea ptm mammals tursiops truncatus bottlenose dolphin 8 8700.5 1142 0.0083 0.0027 0.026 73 24 227 No
baltic sea gns seabirds aythya marila greater scaup 8 138213 3537.11 0.0101 0.0002 0.4557 uncertain uncertain uncertain No
baltic sea gtr seabirds uria aalge common guillemot 8 4376 570.693 0.017 0.0063 0.0455 74 28 200 No
bay of biscay and the iberian coast lld turtles caretta caretta loggerhead 8 2172.62 163.595 0.0551 0.0081 0.3765 120 18 818 Yes
bay of biscay and the iberian coast ptb mammals tursiops truncatus bottlenose dolphin 8 7565.44 1374.61 0.0053 0.0022 0.0125 40 17 95 No
greater north sea otb mammals delphinus delphis short-beaked common dolphin 8 111989 5311.87 0 0 0.01 NA NA NA Yes
greater north sea otb seabirds morus bassanus northern gannet 8 111989 5311.87 0.0009 0.0003 0.0032 106 31 364 No
greater north sea ps seabirds larus argentatus herring gull 8 2137.41 97.6833 0.0574 0.0129 0.2544 123 28 544 No
baltic sea fpo mammals halichoerus grypus gray seal 9 3269.51 159 0.0147 0.0001 2.1074 NA NA NA No
bay of biscay and the iberian coast gtr seabirds melanitta nigra black scoter 9 71937.2 7980.18 0.0019 0.0007 0.0052 136 50 375 No
celtic seas ps seabirds larus argentatus herring gull 9 467 139 0.0748 0.0179 0.3122 35 9 146 No
icelandic waters gns seabirds alca torda razorbill 9 4595 1144 0.0078 0.004 0.0155 36 19 71 No
icelandic waters gns seabirds clangula hyemalis long-tailed duck 9 4595 1144 0.0064 0.001 0.0423 uncertain uncertain uncertain No
western mediterranean sea otb turtles caretta caretta loggerhead 9 150669 6238.67 0.0013 0.0006 0.0029 203 96 430 Yes
azores lhp mammals stenella frontalis atlantic spotted dolphin 10 30559.4 1942.8 0.0031 0.0003 0.0335 uncertain uncertain uncertain No
bay of biscay and the iberian coast gns seabirds alca torda razorbill 10 45477.1 7141 0.0043 0.0012 0.0155 197 55 705 No
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