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
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 uria aalge common guillemot 878 35093.5 5088.05 0 0 0.0065 NA NA NA No
bay of biscay and the iberian coast gtr seabirds uria aalge common guillemot 662 71937.2 7980.18 0.0001 0 0.4118 NA NA NA No
icelandic waters gns seabirds uria aalge common guillemot 658 4595 1144 0.4992 0.2926 0.8517 uncertain uncertain uncertain No
baltic sea gns seabirds somateria mollissima common eider 580 138213 3537.11 0.0051 0.0004 0.065 NA NA NA No
icelandic waters gns seabirds somateria mollissima common eider 404 4595 1144 0.321 0.0455 2.2635 1992 503 8373 No
celtic seas otb elasmobranchs dipturus intermedius common skate 377 56696.3 5283.61 0 0 0 NA NA NA Yes
norwegian sea gns mammals phocoena phocoena harbor porpoise 356 10117.6 0.0395 0.0174 0.0897 NA NA NA Yes
bay of biscay and the iberian coast gtr mammals delphinus delphis short-beaked common dolphin 280 71937.2 8055.18 0.009 0.0012 0.0696 NA NA NA Yes
baltic sea gns seabirds clangula hyemalis long-tailed duck 276 138213 3537.11 0.0002 0 5.8489 NA NA NA No
icelandic waters gns mammals phocoena phocoena harbor porpoise 274 4595 1144 0.2031 0.0598 0.6897 828 645 1077 Yes
icelandic waters otb elasmobranchs dipturus batis common skate 252 11854 2582 0.068 0.0141 0.3276 806 168 3884 Yes
bay of biscay and the iberian coast gns seabirds uria aalge common guillemot 251 45477.1 7141 0 0 0.0085 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
bay of biscay and the iberian coast ptb mammals delphinus delphis short-beaked common dolphin 227 7565.44 1374.61 0.0022 0 133.3626 704 269 3308 Yes
celtic seas gns mammals halichoerus grypus gray seal 225 16231.6 1707.84 0.0175 0.0008 0.3922 NA NA NA No
western mediterranean sea lld seabirds calonectris diomedea cory's shearwater 224 34340.8 2453 0 0 0.0486 NA NA NA No
greater north sea lls seabirds fulmarus glacialis northern fulmar 222 4137.04 267.783 0.0113 0 2821.8248 NA NA NA No
baltic sea gns seabirds uria aalge common guillemot 219 138213 3537.11 0.0028 0.0001 0.0863 NA NA NA No
greater north sea otb elasmobranchs dipturus intermedius common skate 211 111989 5992.53 0 0 0.1153 NA NA NA Yes
bay of biscay and the iberian coast gtr seabirds morus bassanus northern gannet 210 71937.2 7980.18 0.0007 0 0.4971 NA NA NA No
baltic sea gtr seabirds phalacrocorax carbo great cormorant 207 4376 570.693 0.124 0.0376 0.4089 uncertain uncertain uncertain No
baltic sea gns seabirds melanitta fusca velvet scoter 197 138213 3537.11 0.0079 0.0007 0.0945 487 83 2881 No
celtic seas gtr mammals halichoerus grypus gray seal 180 2931.1 512.738 0.1688 0.0543 0.5251 NA NA NA No
celtic seas lls seabirds fulmarus glacialis northern fulmar 160 9593.74 435.75 0.3854 0.0648 2.2942 uncertain uncertain uncertain No
icelandic waters gns mammals phoca vitulina harbor seal 157 4595 1144 0.1095 0.0247 0.4857 uncertain uncertain uncertain 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
baltic sea gns mammals phocoena phocoena harbor porpoise 152 138213 3267.11 0 0 0.0463 NA NA NA Yes
icelandic waters lls seabirds fulmarus glacialis northern fulmar 146 6506 303 0.0383 0.0048 0.3027 249 32 1970 No
baltic sea gns seabirds phalacrocorax carbo great cormorant 137 138213 3537.11 0.0042 0.0007 0.0258 NA NA NA No
celtic seas gtr elasmobranchs dipturus intermedius common skate 127 2931.1 527.738 0 0 0.0454 NA NA NA Yes
bay of biscay and the iberian coast ptm mammals delphinus delphis short-beaked common dolphin 122 4836.47 1215.76 0.1257 0.0496 0.3183 608 241 1540 Yes
celtic seas ott elasmobranchs dipturus intermedius common skate 121 10637.1 1452.1 0 0 0 NA NA NA Yes
western mediterranean sea lld turtles caretta caretta loggerhead 106 34340.8 2608 0.0006 0 0.1718 NA NA NA Yes
bay of biscay and the iberian coast gns mammals delphinus delphis short-beaked common dolphin 103 45477.1 7339 0.0093 0.0034 0.0254 NA NA NA Yes
bay of biscay and the iberian coast gtr mammals phocoena phocoena harbor porpoise 95 71937.2 8055.18 0.0004 0 2.4829 uncertain uncertain uncertain Yes
baltic sea gns mammals phoca vitulina harbor seal 85 138213 3267.11 0.0005 0 0.0753 NA NA NA No
norwegian sea gns mammals phoca vitulina harbor seal 77 10117.6 0.0077 0.0036 0.0164 NA NA NA No
western mediterranean sea lld seabirds puffinus mauretanicus balearic shearwater 74 34340.8 2453 0.0068 0.0008 0.0584 NA NA NA Yes
greater north sea gns seabirds alca torda razorbill 70 35093.5 5088.05 0.0008 0 0.0689 NA NA NA No
adriatic sea ptm turtles caretta caretta loggerhead 67 8700.5 1142 0.0585 0.0439 0.078 509 382 679 Yes
icelandic waters gns elasmobranchs dipturus batis common skate 67 4595 1144 0.005 0 3.7917 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
western mediterranean sea lld seabirds larus michahellis yellow-legged gull 52 34340.8 2453 0.003 0.0002 0.0555 NA NA NA No
greater north sea gns seabirds gavia arctica arctic loon 51 35093.5 5088.05 0 0 0.017 NA NA NA No
baltic sea gns mammals halichoerus grypus gray seal 47 138213 3267.11 0.0004 0 0.1801 NA NA NA No
greater north sea gns mammals halichoerus grypus gray seal 46 35093.5 7287.95 0.001 0 0.0225 NA NA NA No
icelandic waters gns mammals halichoerus grypus gray seal 46 4595 1144 0.0268 0.0033 0.2143 uncertain uncertain uncertain No
norwegian sea gns seabirds fulmarus glacialis northern fulmar 46 7001.1 0.0078 0.0001 0.5455 NA NA NA No
celtic seas gns mammals phoca vitulina harbor seal 45 16231.6 1707.84 0 0 0.007 NA NA NA No
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