ARAnglerRadar evidence & rules

Scardinius erythrophthalmus · England

Where rudd has been recorded

Environment Agency surveys have recorded rudd at 1,594 sites across 533 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. Lincolnshire Lakes119 siteslatest 6 Dec 2011
  2. River Stour Upper (East Anglia)18 siteslatest 23 Sept 2024
  3. River Stour Middle (East Anglia)17 siteslatest 23 Jul 2025
  4. Great Ouse (Brampton to Earith)16 siteslatest 2 Oct 2019
  5. Lake Surveys16 siteslatest 6 Feb 2017
  6. River Chelmer Lower (C&B Navigation)15 siteslatest 26 Jun 2025
  7. River Chelmer Upper (Main Reaches)15 siteslatest 22 Aug 2019
  8. River Colne Lower (East Anglia)15 siteslatest 2 Jun 2026
  9. South Holland Main Drain14 siteslatest 2 Apr 2025
  10. Counter Drain13 siteslatest 10 Jun 2026
  11. River Blackwater (East Anglia)13 siteslatest 18 Sept 2014
  12. River Brett (Main Reaches)13 siteslatest 7 Apr 2026
  13. Warwickshire Avon12 siteslatest 11 Apr 2023
  14. Rmc11 siteslatest 14 May 2024
  15. Relief Channel (East Anglia)11 siteslatest 9 Aug 2023
  16. DS Lark10 siteslatest 17 Sept 2024
  17. DS Wissey10 siteslatest 6 Aug 2024
  18. Ely Ouse10 siteslatest 10 Oct 2023
  19. South Forty Foot Drain10 siteslatest 11 May 2016
  20. US Lark10 siteslatest 18 Jul 2024
  21. US Lt Ouse10 siteslatest 11 Jul 2024
  22. Wensum (central)10 siteslatest 7 Aug 2025
  23. Above Wellingborough9 siteslatest 12 Sept 2012
  24. DS Cam9 siteslatest 1 Oct 2025
  25. Delph9 siteslatest 27 Jun 2023
  26. Great Ouse (Bedford to Brampton)9 siteslatest 2 Oct 2018
  27. North Level Main Drain9 siteslatest 15 Apr 2019
  28. Old West River9 siteslatest 15 Sept 2023
  29. River Nene (Old Course)9 siteslatest 5 Jul 2023
  30. Sapiston (Black Bourn)9 siteslatest 7 Sept 2012
  31. Adur East Arm8 siteslatest 17 Jul 2024
  32. Arun (Solent and South Downs)8 siteslatest 22 Sept 2016
  33. Cut-Off Channel8 siteslatest 22 Jun 2023
  34. Moretons Leam8 siteslatest 28 May 2013
  35. Nar8 siteslatest 8 Mar 2023
  36. River Dearne8 siteslatest 13 Aug 2024
  37. River Deben (Main Reaches)8 siteslatest 14 Apr 2025
  38. River Gipping (Main Reaches)8 siteslatest 24 Apr 2025
  39. River Wid (Main Reaches)8 siteslatest 17 Oct 2019
  40. Sixteen Foot Drain8 siteslatest 3 Aug 2023
  41. Thet8 siteslatest 22 Oct 2024
  42. Bridgwater / Taunton Canal7 siteslatest 19 May 1994
  43. Ouse (Solent and South Downs)7 siteslatest 15 Sept 2015
  44. R.Slea7 siteslatest 18 Oct 2013
  45. River Box (Main Reaches)7 siteslatest 21 May 2026
  46. River Colne Upper (East Anglia)7 siteslatest 8 Jun 2017
  47. River Don7 siteslatest 24 Jul 2024
  48. TWARP reaches of the Thames7 siteslatest 18 Jul 2025
  49. Well Creek7 siteslatest 12 May 2026
  50. Witham Claypole (upper) Subcatchment7 siteslatest 13 Nov 2025
  51. Yare7 siteslatest 13 Jul 2017
  52. Beult6 siteslatest 11 Jun 2025
  53. Bure (central)6 siteslatest 2 Aug 2016
  54. DS Lt Ouse6 siteslatest 30 Jul 2024
  55. Forty Foot Drain6 siteslatest 18 Jul 2023
  56. Grand Union Canal6 siteslatest 1 Feb 1994
  57. Holland Brook (Main Reaches)6 siteslatest 4 Nov 2014
  58. River Leam6 siteslatest 20 May 2008
  59. River Stour Lower (IoH Stratford to Flatford)6 siteslatest 19 Jun 2024
  60. River Tees (North East)6 siteslatest 16 Aug 2006
  61. Tud6 siteslatest 4 Jul 2018
  62. Twenty Foot Drain6 siteslatest 6 May 2026
  63. Waveney (central)6 siteslatest 25 Sept 2023
  64. West Fen Drain6 siteslatest 17 Sept 2019
  65. Adur West Arm5 siteslatest 18 Jul 2024
  66. Barton Broad margin5 siteslatest 4 Oct 2000
  67. East Fen Catchwater5 siteslatest 14 Jun 2004
  68. Great Eau FMU5 siteslatest 15 Apr 2003
  69. Great Ouse (Newport Pagnell to Bedford)5 siteslatest 24 Jul 2006
  70. Ivel5 siteslatest 8 Oct 2025
  71. Little South Holland Drain5 siteslatest 18 Apr 2019
  72. Long Eau FMU5 siteslatest 28 Jun 2018
  73. Main River Yeo (Wessex)5 siteslatest 21 Jul 2008
  74. Main river sites5 siteslatest 8 Jun 2023
  75. Mardyke5 siteslatest 2 May 2025
  76. Medway - main river5 siteslatest 18 Jun 2026
  77. Mole - main river (Kent, South London and East Sussex)5 siteslatest 9 Jul 2025
  78. Ouzel5 siteslatest 31 May 2016
  79. R.Bain5 siteslatest 7 Apr 2014
  80. R.Stour special sites5 siteslatest 25 Sept 2007

Distribution

By ecology region

  • East Anglia637 sites
  • Lincolnshire and Northamptonshire377 sites
  • West Midlands100 sites
  • Solent and South Downs100 sites
  • Wessex81 sites
  • Thames79 sites
  • Kent, South London and East Sussex79 sites
  • Yorkshire57 sites
  • Hertfordshire and North London28 sites
  • East Midlands25 sites
  • Greater Manchester Merseyside and Cheshire16 sites
  • North East7 sites
  • Devon and Cornwall and the Isles of Scilly6 sites
  • Cumbria and Lancashire2 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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