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 ptb seabirds morus bassanus northern gannet 11 5222.58 721.822 0.0192 0.0022 0.1641 100 12 857 No
celtic seas gtr mammals phocoena phocoena harbor porpoise 3 2931.1 512.738 0.0206 0.0031 0.1383 60 9 406 Yes
greater north sea gns mammals phoca vitulina harbor seal 154 35093.5 7287.95 0.021 0.0043 0.1018 1276 415 4451 No
aegean-levantine sea lld turtles caretta caretta loggerhead 2 1345.21 106 0.0212 0.0029 0.1538 29 4 207 Yes
bay of biscay and the iberian coast lls seabirds morus bassanus northern gannet 18 60717.1 539.485 0.0218 0.0039 0.1222 NA NA NA No
oceanic northeast atlantic lld turtles dermochelys coriacea leatherback turtle 1 5090 45 0.0222 0.0031 0.1578 113 16 803 Yes
greater north sea ptb elasmobranchs dipturus intermedius common skate 7 5222.58 722.822 0.023 0.0023 0.2282 120 13 1192 Yes
aegean-levantine sea otb turtles caretta caretta loggerhead 11 38017.5 1156 0.0242 0.0034 0.171 NA NA NA Yes
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
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
baltic sea fpn seabirds phalacrocorax carbo great cormorant 1 7130.79 103 0.0256 0.0013 0.5177 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
greater north sea gtr mammals phocoena phocoena harbor porpoise 16 10854.1 1064.49 0.0279 0.0059 0.1308 302 65 1421 Yes
azores gns turtles caretta caretta loggerhead 3 2216.8 103.2 0.0291 0.0094 0.0901 64 21 200 Yes
icelandic waters lls seabirds larus argentatus herring gull 35 6506 303 0.0306 0.0023 0.4163 uncertain uncertain uncertain No
icelandic waters lls seabirds morus bassanus northern gannet 25 6506 303 0.0321 0.0073 0.1405 209 48 915 No
icelandic waters gns mammals pagophilus groenlandicus harp seal 35 4595 1144 0.0362 0.0167 0.0785 uncertain uncertain uncertain No
icelandic waters lls seabirds fulmarus glacialis northern fulmar 146 6506 303 0.0383 0.0048 0.3027 249 32 1970 No
norwegian sea gns mammals phocoena phocoena harbor porpoise 356 10117.6 0.0395 0.0174 0.0897 NA NA NA Yes
barents sea gns mammals phocoena phocoena harbor porpoise 2 193.5 0.0401 0.0013 1.2218 NA NA NA Yes
western mediterranean sea otm mammals stenella coeruleoalba striped dolphin 2 1090.86 44.5833 0.0417 0.0046 0.379 45 5 414 No
celtic seas gns seabirds uria aalge common guillemot 58 16231.6 1707.84 0.042 0.0159 0.1111 682 258 1804 No
celtic seas lls seabirds morus bassanus northern gannet 15 9593.74 435.75 0.0439 0.0135 0.1422 421 130 1364 No
greater north sea lls seabirds morus bassanus northern gannet 10 4137.04 267.783 0.0465 0.0177 0.1217 192 74 504 No
azores lld turtles caretta caretta loggerhead 29 1106.8 480 0.048 0.0116 0.1988 53 13 220 Yes
celtic seas ptb seabirds morus bassanus northern gannet 2 22.1071 31.4788 0.0547 0.0084 0.3576 1 1 8 No
bay of biscay and the iberian coast lld turtles caretta caretta loggerhead 8 2172.62 163.595 0.0551 0.0081 0.3765 120 18 818 Yes
greater north sea ps seabirds larus argentatus herring gull 8 2137.41 97.6833 0.0574 0.0129 0.2544 123 28 544 No
adriatic sea ptm turtles caretta caretta loggerhead 67 8700.5 1142 0.0585 0.0439 0.078 509 382 679 Yes
baltic sea gtr seabirds somateria mollissima common eider 35 4376 570.693 0.0612 0.0423 0.0887 268 186 388 No
barents sea gns mammals phoca vitulina harbor seal 3 193.5 0.063 0.0018 2.2377 NA NA NA No
baltic sea lld seabirds uria aalge common guillemot 5 21 75 0.0649 0.012 0.3498 1 1 8 No
aegean-levantine sea otb elasmobranchs gymnura altavela spiny butterfly ray 23 38017.5 1166 0.0665 0.0179 0.2464 2527 682 9368 Yes
oceanic northeast atlantic lld turtles caretta caretta loggerhead 3 5090 45 0.0667 0.0215 0.2067 339 110 1053 Yes
icelandic waters otb elasmobranchs dipturus batis common skate 252 11854 2582 0.068 0.0141 0.3276 806 168 3884 Yes
aegean-levantine sea lld turtles chelonia mydas green sea turtle 6 1345.21 106 0.0689 0.0115 0.4144 93 16 558 Yes
celtic seas ps seabirds larus argentatus herring gull 9 467 139 0.0748 0.0179 0.3122 35 9 146 No
celtic seas gnd elasmobranchs dipturus intermedius common skate 11 96.3618 85 0.0782 0.0034 1.7993 uncertain uncertain uncertain Yes
bay of biscay and the iberian coast otm seabirds larus fuscus lesser black-backed gull 1 354.933 35.2016 0.0821 0.0038 1.7767 uncertain uncertain uncertain No
bay of biscay and the iberian coast otm seabirds morus bassanus northern gannet 1 354.933 35.2016 0.0821 0.0038 1.7767 uncertain uncertain uncertain No
greater north sea ssc elasmobranchs dipturus intermedius common skate 31 8307.14 311.853 0.0893 0.0076 1.0554 uncertain uncertain uncertain Yes
adriatic sea lld turtles caretta caretta loggerhead 24 3731.48 257 0.0979 0.0124 0.7735 uncertain uncertain uncertain Yes
icelandic waters gns seabirds cepphus grylle black guillemot 239 4595 1144 0.1081 0.0065 1.7853 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 gtr seabirds melanitta nigra black scoter 7 10854.1 1064.49 0.1107 0.0012 10.3714 uncertain uncertain uncertain No
greater north sea ps mammals delphinus delphis short-beaked common dolphin 14 2137.41 97.6833 0.1227 0.0392 0.3841 262 84 821 Yes
baltic sea gtr seabirds phalacrocorax carbo great cormorant 207 4376 570.693 0.124 0.0376 0.4089 uncertain uncertain uncertain No
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 gtr mammals halichoerus grypus gray seal 180 2931.1 512.738 0.1688 0.0543 0.5251 NA NA NA No
greater north sea fyk mammals phoca vitulina harbor seal 3 1523.31 11 0.1872 0.0299 1.1741 uncertain uncertain uncertain No
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