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 gtr seabirds melanitta fusca velvet scoter 10 10854.1 1064.49 0 0 0.1646 NA NA NA 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 gtr seabirds phalacrocorax aristotelis european shag 2 10854.1 1064.49 0.0019 0.0005 0.0075 20 6 82 No
greater north sea gtr seabirds phalacrocorax carbo great cormorant 7 10854.1 1064.49 0.0083 0.0029 0.024 90 32 261 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
greater north sea gtr mammals phocoena phocoena harbor porpoise 16 10854.1 1064.49 0.0279 0.0059 0.1308 302 65 1421 Yes
greater north sea gtr seabirds somateria mollissima common eider 1 10854.1 1064.49 0.001 0.0001 0.0122 uncertain uncertain uncertain No
greater north sea gtr seabirds uria aalge common guillemot 24 10854.1 1064.49 0 0 0.1716 NA NA NA No
azores lhm mammals delphinus delphis short-beaked common dolphin 3 2868 0.001 0.0003 0.0032 NA NA NA Yes
azores lhp mammals delphinus delphis short-beaked common dolphin 2 30559.4 1942.8 0.001 0.0002 0.0054 uncertain uncertain uncertain Yes
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 lhp seabirds morus bassanus northern gannet 1 14592.4 180.661 0.0055 0.0008 0.0393 uncertain uncertain uncertain No
adriatic sea lld turtles caretta caretta loggerhead 24 3731.48 257 0.0979 0.0124 0.7735 uncertain uncertain uncertain Yes
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 lld turtles caretta caretta loggerhead 2 1345.21 106 0.0212 0.0029 0.1538 29 4 207 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
azores lld turtles caretta caretta loggerhead 29 1106.8 480 0.048 0.0116 0.1988 53 13 220 Yes
azores lld turtles dermochelys coriacea leatherback turtle 6 1106.8 480 0.0123 0.0045 0.0341 14 5 38 Yes
baltic sea lld seabirds gavia arctica arctic loon 1 21 75 0.0133 0.0019 0.0947 0 0 2 No
baltic sea lld seabirds uria aalge common guillemot 5 21 75 0.0649 0.012 0.3498 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
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 lld seabirds puffinus puffinus manx shearwater 4 2172.62 74.5954 0.2786 0.023 3.3786 uncertain uncertain uncertain No
celtic seas lld turtles dermochelys coriacea leatherback turtle 3 2149 21 0.2706 0.0349 2.1 uncertain uncertain uncertain Yes
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
oceanic northeast atlantic lld turtles caretta caretta loggerhead 3 5090 45 0.0667 0.0215 0.2067 339 110 1053 Yes
oceanic northeast atlantic lld turtles dermochelys coriacea leatherback turtle 1 5090 45 0.0222 0.0031 0.1578 113 16 803 Yes
western mediterranean sea lld seabirds calonectris diomedea cory's shearwater 224 34340.8 2453 0 0 0.0486 NA NA NA No
western mediterranean sea lld turtles caretta caretta loggerhead 106 34340.8 2608 0.0006 0 0.1718 NA NA NA Yes
western mediterranean sea lld turtles dermochelys coriacea leatherback turtle 1 34340.8 2608 0.0004 0.0001 0.0027 uncertain uncertain uncertain Yes
western mediterranean sea lld mammals globicephala melas long-finned pilot whale 1 34340.8 2453 0.0004 0 0.0047 uncertain uncertain uncertain 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 larus michahellis yellow-legged gull 52 34340.8 2453 0.003 0.0002 0.0555 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 seabirds puffinus mauretanicus balearic shearwater 74 34340.8 2453 0.0068 0.0008 0.0584 NA NA NA Yes
western mediterranean sea lld seabirds puffinus yelkouan yelkouan shearwater 13 34340.8 2453 0.0057 0.0017 0.0186 196 60 638 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 lld mammals tursiops truncatus bottlenose dolphin 1 34340.8 2453 0.0007 0 0.0124 uncertain uncertain uncertain No
aegean-levantine sea lls turtles caretta caretta loggerhead 2 165487 1315 0.0021 0.0001 0.0393 uncertain uncertain uncertain Yes
aegean-levantine sea lls elasmobranchs gymnura altavela spiny butterfly ray 11 165487 1315 0.0067 0.0021 0.0212 1114 355 3505 Yes
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 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 phalacrocorax carbo great cormorant 2 165487 1315 0.0015 0.0004 0.0061 252 63 1007 No
aegean-levantine sea lls seabirds puffinus yelkouan yelkouan shearwater 1 165487 1315 0.0008 0.0001 0.0054 uncertain uncertain uncertain No
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 larus argentatus herring gull 1 60717.1 539.485 0.0019 0.0003 0.0132 uncertain uncertain uncertain No
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
bay of biscay and the iberian coast lls seabirds puffinus mauretanicus balearic shearwater 1 60717.1 539.485 0.0016 0 0.0743 NA NA NA 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 lls seabirds rissa tridactyla black-legged kittiwake 1 60717.1 539.485 0.0019 0.0003 0.0132 uncertain uncertain uncertain No
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