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
icelandic waters otm seabirds uria aalge common guillemot 2 1766 295 0.0062 0.0008 0.0457 uncertain uncertain uncertain No
western mediterranean sea otm mammals stenella coeruleoalba striped dolphin 2 1090.86 44.5833 0.0417 0.0046 0.379 45 5 414 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
western mediterranean sea otb elasmobranchs gymnura altavela spiny butterfly ray 2 150669 6238.67 0.0003 0.0001 0.0017 52 11 261 Yes
western mediterranean sea otb seabirds ichthyaetus melanocephalus mediterranean gull 1 150669 6238.67 0.0002 0 0.0011 uncertain uncertain uncertain No
western mediterranean sea otb seabirds puffinus yelkouan yelkouan shearwater 1 150669 6238.67 0.0002 0 0.0011 uncertain uncertain uncertain No
western mediterranean sea otb mammals stenella coeruleoalba striped dolphin 1 150669 6238.67 0.0002 NA NA NA No
western mediterranean sea otb mammals tursiops truncatus bottlenose dolphin 2 150669 6238.67 0.0003 0.0001 0.0013 48 13 194 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
aegean-levantine sea lls turtles caretta caretta loggerhead 2 165487 1315 0.0021 0.0001 0.0393 uncertain uncertain uncertain Yes
aegean-levantine sea lls elasmobranchs gymnura altavela spiny butterfly ray 11 165487 1315 0.0067 0.0021 0.0212 1114 355 3505 Yes
aegean-levantine sea lls seabirds larus michahellis yellow-legged gull 3 165487 1315 0.0021 0.0002 0.0217 uncertain uncertain uncertain No
aegean-levantine sea lls mammals monachus monachus mediterranean monk seal 1 165487 1315 0.0008 0.0001 0.0054 uncertain uncertain uncertain Yes
aegean-levantine sea lls seabirds phalacrocorax carbo great cormorant 2 165487 1315 0.0015 0.0004 0.0061 252 63 1007 No
aegean-levantine sea lls seabirds puffinus yelkouan yelkouan shearwater 1 165487 1315 0.0008 0.0001 0.0054 uncertain uncertain uncertain No
bay of biscay and the iberian coast lls mammals delphinus delphis short-beaked common dolphin 2 60717.1 499.485 0.004 0.001 0.016 243 61 973 Yes
bay of biscay and the iberian coast lls seabirds larus argentatus herring gull 1 60717.1 539.485 0.0019 0.0003 0.0132 uncertain uncertain uncertain No
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