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
celtic seas lls seabirds fulmarus glacialis northern fulmar 160 9593.74 435.75 0.3854 0.0648 2.2942 uncertain uncertain uncertain No
celtic seas lls seabirds larus marinus great black-backed gull 2 9593.74 435.75 0.0052 0.0005 0.0505 uncertain uncertain uncertain No
celtic seas lls seabirds morus bassanus northern gannet 15 9593.74 435.75 0.0439 0.0135 0.1422 421 130 1364 No
celtic seas lls seabirds puffinus gravis greater shearwater 2 9593.74 435.75 0.0073 0.0005 0.1023 uncertain uncertain uncertain No
greater north sea lls seabirds fulmarus glacialis northern fulmar 222 4137.04 267.783 0.0113 0 2821.8248 NA NA NA No
greater north sea lls seabirds larus argentatus herring gull 2 4137.04 267.783 0.0155 0.0008 0.2918 uncertain uncertain uncertain No
greater north sea lls seabirds morus bassanus northern gannet 10 4137.04 267.783 0.0465 0.0177 0.1217 192 74 504 No
greater north sea lls seabirds phalacrocorax aristotelis european shag 1 4137.04 267.783 0.0062 0.0003 0.1146 uncertain uncertain uncertain No
greater north sea lls seabirds rissa tridactyla black-legged kittiwake 1 4137.04 267.783 0.0037 0.0005 0.0265 uncertain uncertain uncertain No
greater north sea lls seabirds stercorarius skua great skua 1 4137.04 267.783 0.0037 0.0005 0.0265 uncertain uncertain uncertain No
greater north sea lls seabirds uria aalge common guillemot 1 4137.04 267.783 0.0062 0.0003 0.1146 uncertain uncertain uncertain No
icelandic waters lls seabirds fulmarus glacialis northern fulmar 146 6506 303 0.0383 0.0048 0.3027 249 32 1970 No
icelandic waters lls seabirds larus argentatus herring gull 35 6506 303 0.0306 0.0023 0.4163 uncertain uncertain uncertain No
icelandic waters lls seabirds larus fuscus lesser black-backed gull 5 6506 303 0.0096 0.0014 0.0639 uncertain uncertain uncertain No
icelandic waters lls seabirds morus bassanus northern gannet 25 6506 303 0.0321 0.0073 0.1405 209 48 915 No
bay of biscay and the iberian coast ltl seabirds morus bassanus northern gannet 11 5603.37 161.434 0.0136 0 7.4852 944 155 6132 No
adriatic sea otb turtles caretta caretta loggerhead 42 123059 821 0.0065 0.0001 0.3468 NA NA NA Yes
adriatic sea otb seabirds phalacrocorax aristotelis european shag 3 123059 821 0 0 2.8589 uncertain uncertain uncertain No
aegean-levantine sea otb turtles caretta caretta loggerhead 11 38017.5 1156 0.0242 0.0034 0.171 NA NA NA Yes
aegean-levantine sea otb turtles chelonia mydas green sea turtle 1 38017.5 1156 0.0057 0.0002 0.177 uncertain uncertain uncertain Yes
aegean-levantine sea otb elasmobranchs dipturus batis common skate 3 38017.5 1166 0.0028 0.0006 0.0131 108 24 498 Yes
aegean-levantine sea otb elasmobranchs gymnura altavela spiny butterfly ray 23 38017.5 1166 0.0665 0.0179 0.2464 2527 682 9368 Yes
aegean-levantine sea otb mammals tursiops truncatus bottlenose dolphin 1 38017.5 1156 0.0009 0.0001 0.0061 uncertain uncertain uncertain No
bay of biscay and the iberian coast otb turtles caretta caretta loggerhead 1 71160.3 2728.23 0.0004 0.0001 0.0026 uncertain uncertain uncertain Yes
bay of biscay and the iberian coast otb mammals delphinus delphis short-beaked common dolphin 13 71160.3 2728.23 0.0043 0.002 0.009 302 144 638 Yes
bay of biscay and the iberian coast otb elasmobranchs gymnura altavela spiny butterfly ray 2 71160.3 2728.23 0.0002 0 0.1579 NA NA NA Yes
bay of biscay and the iberian coast otb seabirds larus argentatus herring gull 2 71160.3 2728.23 0.001 0.0002 0.0061 69 11 433 No
bay of biscay and the iberian coast otb seabirds morus bassanus northern gannet 43 71160.3 2728.23 0 0 0.1846 NA NA NA No
bay of biscay and the iberian coast otb mammals phocoena phocoena harbor porpoise 1 71160.3 2728.23 0.0011 0 0.0258 uncertain uncertain uncertain Yes
bay of biscay and the iberian coast otb seabirds puffinus mauretanicus balearic shearwater 2 71160.3 2728.23 0.0027 0.0001 0.0741 uncertain uncertain uncertain Yes
celtic seas otb mammals delphinus delphis short-beaked common dolphin 12 56696.3 4804.61 0.0005 0 0.0132 NA NA NA Yes
celtic seas otb elasmobranchs dipturus intermedius common skate 377 56696.3 5283.61 0 0 0 NA NA NA Yes
celtic seas otb seabirds fulmarus glacialis northern fulmar 1 56696.3 4804.61 0.0002 0 0.0015 uncertain uncertain uncertain No
celtic seas otb seabirds morus bassanus northern gannet 27 56696.3 4804.61 0.0052 0.0005 0.0495 NA NA NA No
celtic seas otb mammals phoca vitulina harbor seal 1 56696.3 4804.61 0.0002 0 0.0015 uncertain uncertain uncertain No
celtic seas otb mammals phocoena phocoena harbor porpoise 2 56696.3 4804.61 0.0005 0.0001 0.0028 26 5 157 Yes
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 elasmobranchs dipturus intermedius common skate 211 111989 5992.53 0 0 0.1153 NA NA NA Yes
greater north sea otb mammals halichoerus grypus gray seal 3 111989 5311.87 0.0006 0.0002 0.0018 NA NA NA No
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 otb seabirds phalacrocorax carbo great cormorant 3 111989 5311.87 0.0005 0.0001 0.0023 59 14 261 No
greater north sea otb mammals phoca vitulina harbor seal 1 111989 5311.87 0.0005 0 0.009 uncertain uncertain uncertain No
greater north sea otb mammals phocoena phocoena harbor porpoise 1 111989 5311.87 0.0001 0 0.0086 NA NA NA Yes
icelandic waters otb elasmobranchs dipturus batis common skate 252 11854 2582 0.068 0.0141 0.3276 806 168 3884 Yes
icelandic waters otb mammals pagophilus groenlandicus harp seal 1 11854 2582 0.0004 0.0001 0.0027 uncertain uncertain uncertain No
ionian sea and the central mediterranean sea otb fish acipenser naccarii adriatic sturgeon 1 65604.3 499 0.002 0.0003 0.0142 uncertain uncertain uncertain Yes
ionian sea and the central mediterranean sea otb elasmobranchs gymnura altavela spiny butterfly ray 3 65604.3 499 0.0053 0.0014 0.0202 350 93 1325 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
western mediterranean sea otb turtles caretta caretta loggerhead 9 150669 6238.67 0.0013 0.0006 0.0029 203 96 430 Yes
western mediterranean sea otb elasmobranchs dipturus batis common skate 1 150669 6238.67 0.0002 0 0.0011 uncertain uncertain uncertain Yes
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