ARAnglerRadar evidence & rules

Anguilla anguilla · England

Where european eel has been recorded

Environment Agency surveys have recorded european eel at 4,221 sites across 1,315 waters, between 1975 and 2026. These are monitoring records with dates. They do not establish what is present today, nor that you may fish for it.

Waters

Rivers with the most records

Ordered by how many surveyed sites on each water recorded it. Waters with their own page are linked.

  1. Test75 siteslatest 9 Oct 2025
  2. River Wear (North East)50 siteslatest 9 Sept 2025
  3. River Lune37 siteslatest 16 Aug 2016
  4. Itchen (Solent and South Downs)31 siteslatest 5 Sept 2025
  5. River Calder28 siteslatest 29 Aug 2025
  6. River Aln25 siteslatest 17 Jun 2025
  7. River Wyre24 siteslatest 22 Sept 2025
  8. Main River Parrett23 siteslatest 8 Jul 2025
  9. River Trent (West Midlands)23 siteslatest 8 Jul 2010
  10. River Lostock23 siteslatest 5 Jul 2023
  11. Main River Yeo (Wessex)22 siteslatest 18 Jul 2013
  12. Middle Thames (Thames)22 siteslatest 12 Jul 2013
  13. Lymington21 siteslatest 18 Jul 2025
  14. River Coquet (North East)21 siteslatest 27 Jun 2025
  15. River Hodder21 siteslatest 2 Aug 2018
  16. Roding21 siteslatest 3 Nov 2021
  17. Colne (Hertfordshire and North London)20 siteslatest 12 Jun 2017
  18. River Teme20 siteslatest 22 Aug 2024
  19. Main Yealm18 siteslatest 23 Aug 2012
  20. Ouse (Solent and South Downs)18 siteslatest 14 Aug 2024
  21. River Wansbeck18 siteslatest 16 Jun 2025
  22. Wensum (central)18 siteslatest 23 Oct 2007
  23. Arun (Solent and South Downs)17 siteslatest 10 Sept 2025
  24. Main Camel17 siteslatest 5 Jul 2010
  25. Main Lynher17 siteslatest 23 Aug 2019
  26. Main River Torridge17 siteslatest 5 Sept 2011
  27. River Petteril17 siteslatest 22 May 2018
  28. River Ribble17 siteslatest 27 Jun 2024
  29. South Tyne (North East)17 siteslatest 29 Jul 2025
  30. Main River Axe (Devon and Cornwall and the Isles of Scilly)16 siteslatest 7 Aug 2018
  31. River Derwent (Cumbria and Lancashire)16 siteslatest 15 Jul 2025
  32. Main River Tone15 siteslatest 30 Sept 2025
  33. Main Tavy15 siteslatest 25 Jun 2009
  34. Meon15 siteslatest 5 Aug 2025
  35. River Cocker15 siteslatest 13 Aug 2014
  36. River Keer15 siteslatest 30 Sept 2025
  37. River Yarrow15 siteslatest 5 Jul 2023
  38. Beaulieu14 siteslatest 29 Jul 2025
  39. Lee Navigation (Hertfordshire and North London)14 siteslatest 9 Aug 2016
  40. Main Fowey14 siteslatest 1 Jul 2009
  41. Main River Sheppey14 siteslatest 22 Sept 2023
  42. Main Wolf14 siteslatest 24 Aug 2010
  43. Main river sites14 siteslatest 18 Sept 2025
  44. Pendle Water14 siteslatest 29 Aug 2025
  45. Severn - Confl Vyrnwy to Bewdley (main river)14 siteslatest 14 Jul 2015
  46. St Neot14 siteslatest 29 Sept 2010
  47. Western Rother (Solent and South Downs)14 siteslatest 16 Jun 2026
  48. Whitendale RSA/HMWB 2011 onwards14 siteslatest 10 Jul 2018
  49. Gowy13 siteslatest 16 Apr 2026
  50. Great Stour - main river13 siteslatest 30 Jul 2024
  51. Main Allen (Devon and Cornwall and the Isles of Scilly)13 siteslatest 13 Aug 2009
  52. Main River Isle13 siteslatest 25 Jul 2013
  53. Nar13 siteslatest 15 Mar 2018
  54. River Eamont13 siteslatest 14 Sept 2007
  55. TWARP reaches of the Thames13 siteslatest 23 Jul 2023
  56. Western Rother Tributaries (Solent and South Downs)13 siteslatest 1 Jul 2021
  57. Main Lyd (Devon and Cornwall and the Isles of Scilly)12 siteslatest 24 Aug 2010
  58. Main Meavy12 siteslatest 28 Jul 2011
  59. Main Tamar12 siteslatest 27 Jun 2018
  60. River Esk12 siteslatest 25 Sept 2024
  61. River Taw sites12 siteslatest 21 Sept 2012
  62. Bollin11 siteslatest 9 Sept 2025
  63. Bridgwater / Taunton Canal11 siteslatest 19 May 1994
  64. Lee (Hertfordshire and North London)11 siteslatest 2 Jun 2015
  65. Main Inny11 siteslatest 5 Aug 2010
  66. Main River Exe11 siteslatest 11 Sept 2015
  67. River Douglas11 siteslatest 1 Jul 2024
  68. River Tern11 siteslatest 18 Apr 2023
  69. Yare11 siteslatest 3 Jun 2005
  70. Adur East Arm10 siteslatest 7 May 2026
  71. Hamble10 siteslatest 5 Aug 2021
  72. Idle10 siteslatest 21 Aug 2024
  73. Main Avon Sites (Wessex)10 siteslatest 14 Oct 2025
  74. Main De Lank10 siteslatest 5 Jul 2010
  75. River Don10 siteslatest 11 Aug 2023
  76. River Hull10 siteslatest 28 Sept 2011
  77. River Leven10 siteslatest 1 Sept 2022
  78. River Went10 siteslatest 4 Jul 2012
  79. Wandle10 siteslatest 8 Oct 2025
  80. Cuckmere9 siteslatest 8 Nov 2024

Distribution

By ecology region

  • Cumbria and Lancashire906 sites
  • Devon and Cornwall and the Isles of Scilly717 sites
  • Solent and South Downs549 sites
  • West Midlands425 sites
  • Wessex381 sites
  • North East239 sites
  • East Anglia239 sites
  • Hertfordshire and North London148 sites
  • Yorkshire137 sites
  • Thames122 sites
  • Kent, South London and East Sussex113 sites
  • Greater Manchester Merseyside and Cheshire101 sites
  • Lincolnshire and Northamptonshire81 sites
  • East Midlands63 sites

Regions are the Environment Agency’s own ecology areas. Survey effort is not even across them, so a higher count can reflect more monitoring rather than more fish.

Provenance

Source and licence

  • SourceEnvironment Agency Ecology & Fish Data
  • LicenceOpen Government Licence v3.0
  • Source copy retrieved23 Jul 2026
  • Not assertedCurrent presence, abundance, access, permission or fishing quality
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