ARAnglerRadar evidence & rules

Gobio gobio · England

Where gudgeon has been recorded

Environment Agency surveys have recorded gudgeon at 4,666 sites across 1,000 waters, between 1976 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. Warwickshire Avon80 siteslatest 6 Oct 2025
  2. Lincolnshire Lakes38 siteslatest 11 Dec 2007
  3. River Don37 siteslatest 12 Aug 2025
  4. Main river sites36 siteslatest 18 Sept 2025
  5. Above Wansford34 siteslatest 17 Sept 2018
  6. River Trent (West Midlands)34 siteslatest 11 Sept 2025
  7. River Tees (North East)34 siteslatest 11 Sept 2025
  8. Wensum (central)34 siteslatest 10 Sept 2025
  9. River Aire (Yorkshire)31 siteslatest 29 Jun 2026
  10. River Kennet31 siteslatest 1 Oct 2025
  11. Colne (Hertfordshire and North London)29 siteslatest 15 Jun 2026
  12. Blackwater (Solent and South Downs)28 siteslatest 6 May 2026
  13. River Cherwell28 siteslatest 10 Jun 2025
  14. Bollin27 siteslatest 9 Sept 2025
  15. Grand Union Canal27 siteslatest 16 Sept 2013
  16. Upper Thames (Thames)27 siteslatest 16 Oct 2025
  17. River Wear (North East)26 siteslatest 9 Sept 2025
  18. Lee (Hertfordshire and North London)25 siteslatest 9 Jun 2026
  19. Main Avon Sites (Wessex)25 siteslatest 8 Oct 2025
  20. River Tame25 siteslatest 11 Jul 2024
  21. River Evenlode25 siteslatest 28 Aug 2024
  22. Main River Yeo (Wessex)24 siteslatest 30 Jul 2015
  23. River Blackwater (East Anglia)24 siteslatest 8 Nov 2023
  24. River Dearne24 siteslatest 2 Jul 2026
  25. Severn - Confl Vyrnwy to Bewdley (main river)24 siteslatest 19 Sept 2023
  26. R.Ancholme Subcatchments23 siteslatest 23 Apr 2018
  27. River Churnet23 siteslatest 20 Sept 2024
  28. River Calder23 siteslatest 14 Aug 2025
  29. River Chelmer Lower (C&B Navigation)23 siteslatest 4 Jul 2025
  30. Great Ouse (Newport Pagnell to Bedford)22 siteslatest 31 Aug 2023
  31. Medway - main river22 siteslatest 23 Oct 2025
  32. Mole - main river (Kent, South London and East Sussex)22 siteslatest 29 Jul 2025
  33. River Colne Lower (East Anglia)21 siteslatest 2 Jun 2026
  34. River Ouse (Yorkshire)21 siteslatest 22 Jun 2026
  35. River Thame21 siteslatest 18 Sept 2025
  36. Great Ouse (Bedford to Brampton)20 siteslatest 2 Oct 2018
  37. Great Stour - main river20 siteslatest 17 Jul 2024
  38. River Leam20 siteslatest 4 May 2023
  39. River Stour Middle (East Anglia)20 siteslatest 11 Aug 2025
  40. River Stour Upper (East Anglia)20 siteslatest 23 Sept 2024
  41. River Ure (Yorkshire)20 siteslatest 13 Aug 2025
  42. Roding20 siteslatest 23 Apr 2026
  43. Above Wellingborough19 siteslatest 4 Jun 2015
  44. Great Ouse (Brackley to Newport Pagnell)19 siteslatest 21 Apr 2026
  45. Great Ouse (Brampton to Earith)19 siteslatest 22 Oct 2025
  46. River Arrow (West Midlands)19 siteslatest 21 May 2025
  47. River Swale (Yorkshire)19 siteslatest 13 Aug 2025
  48. Weaver19 siteslatest 18 Jun 2026
  49. Bow Brook18 siteslatest 26 May 2017
  50. Main River Parrett18 siteslatest 6 Aug 2025
  51. Middle Thames (Thames)18 siteslatest 22 Jul 2025
  52. River Wharfe (Yorkshire)18 siteslatest 22 Aug 2024
  53. Arun (Solent and South Downs)17 siteslatest 10 Sept 2025
  54. Waveney (central)17 siteslatest 14 Sept 2023
  55. Main River Axe (Devon and Cornwall and the Isles of Scilly)16 siteslatest 4 Jul 2013
  56. Ouse (Solent and South Downs)16 siteslatest 14 Aug 2024
  57. Ouzel16 siteslatest 16 Apr 2026
  58. River Alne16 siteslatest 26 Jun 2025
  59. River Dane16 siteslatest 18 May 2023
  60. River Loddon16 siteslatest 14 Apr 2026
  61. River Lostock16 siteslatest 5 Jul 2023
  62. Trent (East Midlands)16 siteslatest 19 Sept 2025
  63. TWARP reaches of the Thames16 siteslatest 15 Jul 2025
  64. Tinwell to Peakirk16 siteslatest 16 Oct 2024
  65. Barton Broad15 siteslatest 11 Jan 2023
  66. Nar15 siteslatest 1 Apr 2026
  67. River Chelmer Upper (Main Reaches)15 siteslatest 25 Sept 2025
  68. River Derwent (Yorkshire)15 siteslatest 11 Aug 2025
  69. River Tern15 siteslatest 2 Jun 2025
  70. Soar15 siteslatest 19 Jun 2026
  71. South Forty Foot Tributary Sites15 siteslatest 21 Dec 1994
  72. South Holland Main Drain15 siteslatest 1 Apr 2025
  73. US Lark15 siteslatest 18 Jul 2024
  74. US Lt Ouse15 siteslatest 20 Aug 2024
  75. Wensum (Restoration strategy)15 siteslatest 30 Aug 2024
  76. Ivel14 siteslatest 8 Oct 2025
  77. River Brett (Main Reaches)14 siteslatest 9 Apr 2026
  78. River Douglas14 siteslatest 1 Jul 2024
  79. River Etherow14 siteslatest 11 Jun 2025
  80. Test14 siteslatest 8 Sept 2025

Distribution

By ecology region

  • East Anglia1,005 sites
  • West Midlands707 sites
  • Lincolnshire and Northamptonshire551 sites
  • Thames494 sites
  • Yorkshire357 sites
  • Wessex349 sites
  • Kent, South London and East Sussex222 sites
  • Solent and South Downs215 sites
  • Greater Manchester Merseyside and Cheshire202 sites
  • Hertfordshire and North London198 sites
  • East Midlands155 sites
  • Cumbria and Lancashire102 sites
  • North East78 sites
  • Devon and Cornwall and the Isles of Scilly31 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
Open the source dataset ↗Browse rivers A–Z →