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 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 otb seabirds phalacrocorax aristotelis european shag 3 123059 821 0 0 2.8589 uncertain uncertain uncertain No
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 otb elasmobranchs dipturus batis common skate 3 38017.5 1166 0.0028 0.0006 0.0131 108 24 498 Yes
azores gns turtles caretta caretta loggerhead 3 2216.8 103.2 0.0291 0.0094 0.0901 64 21 200 Yes
azores lhm mammals delphinus delphis short-beaked common dolphin 3 2868 0.001 0.0003 0.0032 NA NA NA Yes
baltic sea gns seabirds cepphus grylle black guillemot 3 138213 3537.11 0.0007 0.0002 0.003 101 25 417 No
baltic sea gns seabirds gavia arctica arctic loon 3 138213 3537.11 0.0007 0.0002 0.0028 97 25 387 No
barents sea gns mammals phoca vitulina harbor seal 3 193.5 0.063 0.0018 2.2377 NA NA NA No
bay of biscay and the iberian coast gns turtles caretta caretta loggerhead 3 45477.1 7033 0.0006 0.0001 0.0035 29 6 159 Yes
bay of biscay and the iberian coast gns seabirds phalacrocorax aristotelis european shag 3 45477.1 7141 0 0 0.0326 NA NA NA No
bay of biscay and the iberian coast gtr seabirds gavia stellata red-throated loon 3 71937.2 7980.18 0 0 263.6562 uncertain uncertain uncertain No
bay of biscay and the iberian coast ptb mammals globicephala melas long-finned pilot whale 3 7565.44 1374.61 0.0019 0.0005 0.0073 15 4 56 No
black sea gns mammals phocoena phocoena harbor porpoise 3 6447 154 0.0164 0.0016 0.1707 uncertain uncertain uncertain Yes
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 elasmobranchs squatina squatina angelshark 3 16231.6 1951.84 0.0007 0.0001 0.0053 uncertain uncertain uncertain Yes
celtic seas gtr mammals phocoena phocoena harbor porpoise 3 2931.1 512.738 0.0206 0.0031 0.1383 60 9 406 Yes
celtic seas lld turtles dermochelys coriacea leatherback turtle 3 2149 21 0.2706 0.0349 2.1 uncertain uncertain uncertain Yes
celtic seas otm mammals globicephala melas long-finned pilot whale 3 2300.6 1025 0.0035 0.0002 0.0564 uncertain uncertain uncertain 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
greater north sea fyk mammals phoca vitulina harbor seal 3 1523.31 11 0.1872 0.0299 1.1741 uncertain uncertain uncertain 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 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 phalacrocorax carbo great cormorant 3 111989 5311.87 0.0005 0.0001 0.0023 59 14 261 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 mammals megaptera novaeangliae humpback whale 3 4595 1144 0.0027 0.0006 0.0128 13 3 59 No
icelandic waters gns mammals pusa hispida ringed seal 3 4595 1144 0.0025 0.0006 0.0099 11 3 46 No
ionian sea and the central mediterranean sea lld turtles caretta caretta loggerhead 3 10039.2 235 0.0249 0.0011 0.5886 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
norwegian sea gns mammals halichoerus grypus gray seal 3 10117.6 0.0003 0.0001 0.0009 NA NA NA No
oceanic northeast atlantic lld turtles caretta caretta loggerhead 3 5090 45 0.0667 0.0215 0.2067 339 110 1053 Yes
western mediterranean sea ott turtles caretta caretta loggerhead 3 4281.86 594.75 0.005 0.0016 0.0156 22 7 67 Yes
baltic sea gtr seabirds aythya fuligula tufted duck 4 4376 570.693 0.0108 0.0017 0.0688 47 8 301 No
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