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 ps mammals delphinus delphis short-beaked common dolphin 19 56608.7 1582.32 0.0072 0.0013 0.0407 443 147 1469 Yes
greater north sea sdn mammals phocoena phocoena harbor porpoise 1 2982.8 139.916 0.0072 0.0006 0.0924 uncertain uncertain uncertain Yes
bay of biscay and the iberian coast gns seabirds morus bassanus northern gannet 35 45477.1 7141 0.007 0.0017 0.0287 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
aegean-levantine sea lls elasmobranchs gymnura altavela spiny butterfly ray 11 165487 1315 0.0067 0.0021 0.0212 1114 355 3505 Yes
adriatic sea otb turtles caretta caretta loggerhead 42 123059 821 0.0065 0.0001 0.3468 NA NA NA Yes
greater north sea tbb seabirds morus bassanus northern gannet 11 61067 1346.27 0.0065 0.0009 0.0471 394 54 2874 No
celtic seas ptm mammals delphinus delphis short-beaked common dolphin 3 3310.6 428.122 0.0064 0.0015 0.0269 21 5 89 Yes
icelandic waters gns seabirds clangula hyemalis long-tailed duck 9 4595 1144 0.0064 0.001 0.0423 uncertain uncertain uncertain No
baltic sea fpo mammals pusa hispida ringed seal 1 3269.51 159 0.0063 0.0009 0.0446 21 3 146 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 uria aalge common guillemot 1 4137.04 267.783 0.0062 0.0003 0.1146 uncertain uncertain uncertain No
icelandic waters otm seabirds uria aalge common guillemot 2 1766 295 0.0062 0.0008 0.0457 uncertain uncertain uncertain No
celtic seas gns elasmobranchs dipturus intermedius common skate 15 16231.6 1951.84 0.0058 0.002 0.0164 94 33 266 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
baltic sea gtr seabirds mergus serrator red-breasted merganser 1 4376 570.693 0.0057 0.0003 0.1128 uncertain uncertain uncertain No
western mediterranean sea lld seabirds puffinus yelkouan yelkouan shearwater 13 34340.8 2453 0.0057 0.0017 0.0186 196 60 638 No
bay of biscay and the iberian coast lhp seabirds morus bassanus northern gannet 1 14592.4 180.661 0.0055 0.0008 0.0393 uncertain uncertain uncertain No
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
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
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 otb seabirds morus bassanus northern gannet 27 56696.3 4804.61 0.0052 0.0005 0.0495 NA NA NA No
icelandic waters gns seabirds morus bassanus northern gannet 6 4595 1144 0.0052 0.0024 0.0117 24 11 54 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 elasmobranchs dipturus batis common skate 67 4595 1144 0.005 0 3.7917 uncertain uncertain uncertain Yes
western mediterranean sea ott turtles caretta caretta loggerhead 3 4281.86 594.75 0.005 0.0016 0.0156 22 7 67 Yes
norwegian sea gns seabirds uria aalge common guillemot 7 7001.1 0.0049 0.0001 0.3334 NA NA NA No
baltic sea gtr seabirds aythya marila greater scaup 1 4376 570.693 0.0047 0.0003 0.0799 uncertain uncertain uncertain 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 gtr mammals phoca vitulina harbor seal 1 10854.1 1064.49 0.0045 0.0002 0.1247 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
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
baltic sea gns seabirds phalacrocorax carbo great cormorant 137 138213 3537.11 0.0042 0.0007 0.0258 NA NA NA No
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
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 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 gtr seabirds puffinus mauretanicus balearic shearwater 16 71937.2 7980.18 0.0039 0.0011 0.014 277 77 1010 Yes
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
baltic sea gtr seabirds alca torda razorbill 2 4376 570.693 0.0035 0.0009 0.014 15 4 62 No
celtic seas otm mammals globicephala melas long-finned pilot whale 3 2300.6 1025 0.0035 0.0002 0.0564 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
bay of biscay and the iberian coast lls seabirds puffinus puffinus manx shearwater 2 60717.1 539.485 0.0034 0.0003 0.034 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
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 mammals phocoena phocoena harbor porpoise 26 45477.1 7339 0.0031 0.0017 0.0056 142 80 254 Yes
western mediterranean sea lld seabirds larus michahellis yellow-legged gull 52 34340.8 2453 0.003 0.0002 0.0555 NA NA NA No
aegean-levantine sea otb elasmobranchs dipturus batis common skate 3 38017.5 1166 0.0028 0.0006 0.0131 108 24 498 Yes
baltic sea gns seabirds uria aalge common guillemot 219 138213 3537.11 0.0028 0.0001 0.0863 NA NA NA No
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