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
barents sea gns mammals phocoena phocoena harbor porpoise 2 193.5 0.0401 0.0013 1.2218 NA NA NA Yes
bay of biscay and the iberian coast gns seabirds gavia immer common loon 2 45477.1 7141 0.0004 0.0001 0.0022 17 3 102 No
bay of biscay and the iberian coast gns seabirds larus marinus great black-backed gull 2 45477.1 7141 0.0002 0 0.0017 uncertain uncertain uncertain No
bay of biscay and the iberian coast gtr seabirds larus michahellis yellow-legged gull 2 71937.2 7980.18 0.0001 0 0.1918 uncertain uncertain uncertain No
bay of biscay and the iberian coast lld turtles dermochelys coriacea leatherback turtle 2 2172.62 163.595 0.0122 0.0031 0.0489 27 7 107 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 lls seabirds puffinus puffinus manx shearwater 2 60717.1 539.485 0.0034 0.0003 0.034 uncertain uncertain uncertain No
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 puffinus mauretanicus balearic shearwater 2 71160.3 2728.23 0.0027 0.0001 0.0741 uncertain uncertain uncertain Yes
bay of biscay and the iberian coast otm mammals delphinus delphis short-beaked common dolphin 2 354.933 35.2016 0.2003 0.0206 1.9518 uncertain uncertain uncertain Yes
black sea otm fish huso huso european sturgeon 2 4981 210 0.0084 0.0012 0.0586 uncertain uncertain uncertain 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 lls seabirds puffinus gravis greater shearwater 2 9593.74 435.75 0.0073 0.0005 0.1023 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
celtic seas ott mammals phocoena phocoena harbor porpoise 2 10637.1 1372.1 0.0015 0.0004 0.0058 16 4 62 Yes
celtic seas ptb seabirds morus bassanus northern gannet 2 22.1071 31.4788 0.0547 0.0084 0.3576 1 1 8 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 gtr seabirds gavia immer common loon 2 10854.1 1064.49 0.0017 0.0002 0.0163 uncertain uncertain uncertain No
greater north sea gtr seabirds gavia stellata red-throated loon 2 10854.1 1064.49 0.0019 0.0005 0.0075 20 6 82 No
greater north sea gtr seabirds phalacrocorax aristotelis european shag 2 10854.1 1064.49 0.0019 0.0005 0.0075 20 6 82 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 tbb mammals halichoerus grypus gray seal 2 61067 1346.27 0.0015 0.0004 0.0059 91 23 363 No
icelandic waters gns seabirds phalacrocorax aristotelis european shag 2 4595 1144 0.0014 0.0002 0.0111 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
norwegian sea gns seabirds rissa tridactyla black-legged kittiwake 2 7001.1 0.0003 0 0.0042 NA NA NA No
western mediterranean sea lld mammals grampus griseus risso's dolphin 2 34340.8 2453 0.0008 0.0002 0.0033 NA NA NA No
western mediterranean sea lld seabirds morus bassanus northern gannet 2 34340.8 2453 0.0011 0.0002 0.0069 37 6 236 No
western mediterranean sea lld mammals stenella coeruleoalba striped dolphin 2 34340.8 2453 0.0009 0.0001 0.005 30 6 174 No
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 mammals tursiops truncatus bottlenose dolphin 2 150669 6238.67 0.0003 0.0001 0.0013 48 13 194 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 lld seabirds larus michahellis yellow-legged gull 1 3731.48 90 0.0111 0.0016 0.0789 41 6 295 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 puffinus yelkouan yelkouan shearwater 1 165487 1315 0.0008 0.0001 0.0054 uncertain uncertain uncertain No
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 mammals tursiops truncatus bottlenose dolphin 1 38017.5 1156 0.0009 0.0001 0.0061 uncertain uncertain uncertain No
azores gns turtles chelonia mydas green sea turtle 1 2216.8 103.2 0.0097 uncertain uncertain uncertain Yes
baltic sea fpn seabirds phalacrocorax carbo great cormorant 1 7130.79 103 0.0256 0.0013 0.5177 uncertain uncertain uncertain No
baltic sea fpn seabirds somateria mollissima common eider 1 7130.79 103 0.0097 0.0014 0.0691 69 10 493 No
baltic sea fpo mammals pusa hispida ringed seal 1 3269.51 159 0.0063 0.0009 0.0446 21 3 146 No
baltic sea gns seabirds bucephala clangula common goldeneye 1 138213 3537.11 0.0016 0.0001 0.0407 uncertain uncertain uncertain No
baltic sea gns seabirds gavia stellata red-throated loon 1 138213 3537.11 0 0 0.0146 NA NA NA No
baltic sea gns seabirds podiceps cristatus great crested grebe 1 138213 3537.11 0.0003 0 0.002 uncertain uncertain uncertain No
baltic sea gtr seabirds aythya marila greater scaup 1 4376 570.693 0.0047 0.0003 0.0799 uncertain uncertain uncertain No
baltic sea gtr seabirds mergus serrator red-breasted merganser 1 4376 570.693 0.0057 0.0003 0.1128 uncertain uncertain uncertain No
baltic sea lld seabirds gavia arctica arctic loon 1 21 75 0.0133 0.0019 0.0947 0 0 2 No
barents sea gns mammals halichoerus grypus gray seal 1 193.5 0.0159 0.0005 0.47 NA NA NA No
bay of biscay and the iberian coast gns mammals balaenoptera acutorostrata NA 1 45477.1 7339 0.0001 0 0.001 NA NA NA No
bay of biscay and the iberian coast gns seabirds gavia stellata red-throated loon 1 45477.1 7141 0.0003 0 0.005 uncertain uncertain uncertain No
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