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 gns mammals delphinus delphis short-beaked common dolphin 19 16231.6 1707.84 0.0084 0.001 0.069 NA NA NA Yes
celtic seas gns elasmobranchs dipturus intermedius common skate 15 16231.6 1951.84 0.0058 0.002 0.0164 94 33 266 Yes
celtic seas gns seabirds fulmarus glacialis northern fulmar 38 16231.6 1707.84 0 0 0.0008 NA NA NA No
celtic seas gns mammals halichoerus grypus gray seal 225 16231.6 1707.84 0.0175 0.0008 0.3922 NA NA NA No
celtic seas gns seabirds phalacrocorax carbo great cormorant 3 16231.6 1707.84 0.0021 0.0004 0.0107 34 7 174 No
celtic seas gns mammals phoca vitulina harbor seal 45 16231.6 1707.84 0 0 0.007 NA NA NA No
celtic seas gns mammals phocoena phocoena harbor porpoise 13 16231.6 1707.84 0.0012 0 0.6694 NA NA NA Yes
celtic seas gns elasmobranchs squatina squatina angelshark 3 16231.6 1951.84 0.0007 0.0001 0.0053 uncertain uncertain uncertain Yes
celtic seas gns seabirds uria aalge common guillemot 58 16231.6 1707.84 0.042 0.0159 0.1111 682 258 1804 No
greater north sea gns seabirds alca torda razorbill 70 35093.5 5088.05 0.0008 0 0.0689 NA NA NA No
greater north sea gns seabirds cepphus grylle black guillemot 2 35093.5 5088.05 0.0007 0 0.0088 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
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 gns seabirds gavia arctica arctic loon 51 35093.5 5088.05 0 0 0.017 NA NA NA No
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
greater north sea gns mammals halichoerus grypus gray seal 46 35093.5 7287.95 0.001 0 0.0225 NA NA NA No
greater north sea gns mammals lagenorhynchus albirostris white-beaked dolphin 3 35093.5 7287.95 0.0006 0.0001 0.0031 20 4 110 No
greater north sea gns seabirds larus marinus great black-backed gull 1 35093.5 5088.05 0.0002 0 0.0014 uncertain uncertain uncertain No
greater north sea gns seabirds melanitta fusca velvet scoter 33 35093.5 5088.05 0 0 1.0647 NA NA NA No
greater north sea gns seabirds melanitta nigra black scoter 43 35093.5 5088.05 0 0 0.016 NA NA NA No
greater north sea gns seabirds morus bassanus northern gannet 17 35093.5 5088.05 0 0 0.0085 uncertain uncertain uncertain No
greater north sea gns seabirds phalacrocorax carbo great cormorant 14 35093.5 5088.05 0.0007 0 0.0147 93 18 972 No
greater north sea gns mammals phoca vitulina harbor seal 154 35093.5 7287.95 0.021 0.0043 0.1018 1276 415 4451 No
greater north sea gns mammals phocoena phocoena harbor porpoise 1624 35093.5 7287.95 0.0172 0.0019 0.1591 NA NA NA Yes
greater north sea gns seabirds podiceps cristatus great crested grebe 1 35093.5 5088.05 0.0002 0 0.0014 NA NA NA No
greater north sea gns seabirds puffinus griseus sooty shearwater 1 35093.5 5088.05 0.0002 0 0.0011 uncertain uncertain uncertain No
greater north sea gns seabirds somateria mollissima common eider 36 35093.5 5088.05 0 0 0.2069 NA NA NA No
greater north sea gns seabirds uria aalge common guillemot 878 35093.5 5088.05 0 0 0.0065 NA NA NA No
icelandic waters gns seabirds alca torda razorbill 9 4595 1144 0.0078 0.004 0.0155 36 19 71 No
icelandic waters gns mammals balaenoptera acutorostrata NA 1 4595 1144 0.0009 0.0001 0.0062 NA NA NA No
icelandic waters gns seabirds cepphus grylle black guillemot 239 4595 1144 0.1081 0.0065 1.7853 uncertain uncertain uncertain No
icelandic waters gns seabirds clangula hyemalis long-tailed duck 9 4595 1144 0.0064 0.001 0.0423 uncertain uncertain uncertain No
icelandic waters gns elasmobranchs dipturus batis common skate 67 4595 1144 0.005 0 3.7917 uncertain uncertain uncertain Yes
icelandic waters gns seabirds fratercula arctica atlantic puffin 4 4595 1144 0.0034 0.0012 0.0098 16 6 45 No
icelandic waters gns seabirds fulmarus glacialis northern fulmar 15 4595 1144 0.0125 0.0061 0.0256 58 29 118 No
icelandic waters gns seabirds gavia immer common loon 3 4595 1144 0.0026 0.0008 0.0081 12 4 38 No
icelandic waters gns seabirds gavia stellata red-throated loon 1 4595 1144 0.0009 0.0001 0.0062 uncertain uncertain uncertain No
icelandic waters gns mammals halichoerus grypus gray seal 46 4595 1144 0.0268 0.0033 0.2143 uncertain uncertain uncertain No
icelandic waters gns mammals lagenorhynchus albirostris white-beaked dolphin 4 4595 1144 0.0034 0.0007 0.0165 16 4 76 No
icelandic waters gns mammals megaptera novaeangliae humpback whale 3 4595 1144 0.0027 0.0006 0.0128 13 3 59 No
icelandic waters gns seabirds morus bassanus northern gannet 6 4595 1144 0.0052 0.0024 0.0117 24 11 54 No
icelandic waters gns mammals pagophilus groenlandicus harp seal 35 4595 1144 0.0362 0.0167 0.0785 uncertain uncertain uncertain No
icelandic waters gns seabirds phalacrocorax aristotelis european shag 2 4595 1144 0.0014 0.0002 0.0111 uncertain uncertain uncertain No
icelandic waters gns seabirds phalacrocorax carbo great cormorant 5 4595 1144 0.0035 0.0008 0.0157 16 4 72 No
icelandic waters gns mammals phoca vitulina harbor seal 157 4595 1144 0.1095 0.0247 0.4857 uncertain uncertain uncertain No
icelandic waters gns mammals phocoena phocoena harbor porpoise 274 4595 1144 0.2031 0.0598 0.6897 828 645 1077 Yes
icelandic waters gns mammals pusa hispida ringed seal 3 4595 1144 0.0025 0.0006 0.0099 11 3 46 No
icelandic waters gns seabirds somateria mollissima common eider 404 4595 1144 0.321 0.0455 2.2635 1992 503 8373 No
icelandic waters gns seabirds uria aalge common guillemot 658 4595 1144 0.4992 0.2926 0.8517 uncertain uncertain uncertain No
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