ARAnglerRadar evidence & rules

Gymnocephalus cernuus · England

Where ruffe has been recorded

Environment Agency surveys have recorded ruffe at 1,389 sites across 353 waters, between 1978 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 Avon24 siteslatest 30 Sept 2016
  2. Tidal Yare21 siteslatest 28 Jan 2026
  3. R.Ancholme Subcatchments20 siteslatest 23 Apr 2018
  4. River Ouse (Yorkshire)20 siteslatest 12 Aug 2024
  5. Great Ouse (Bedford to Brampton)19 siteslatest 5 Oct 2018
  6. River Ure (Yorkshire)19 siteslatest 15 Jul 2025
  7. Great Ouse (Brampton to Earith)18 siteslatest 1 Oct 2019
  8. River Stour Middle (East Anglia)18 siteslatest 24 Jul 2025
  9. Grand Union Canal17 siteslatest 1 Feb 1994
  10. Great Ouse (Newport Pagnell to Bedford)17 siteslatest 4 Sept 2017
  11. Relief Channel (East Anglia)17 siteslatest 9 Aug 2017
  12. Main River Parrett16 siteslatest 6 Aug 2025
  13. Above Wansford15 siteslatest 6 Sept 2012
  14. Barton Broad15 siteslatest 21 Jan 2022
  15. Cut-Off Channel13 siteslatest 7 Jun 2023
  16. River Chelmer Lower (C&B Navigation)13 siteslatest 26 Jun 2025
  17. Wensum (central)13 siteslatest 13 Sept 2007
  18. Bure (central)12 siteslatest 3 Jun 2010
  19. River Leam12 siteslatest 5 Jun 2018
  20. River Stour Upper (East Anglia)12 siteslatest 23 Aug 2024
  21. Rollesby Broad12 siteslatest 23 Sept 2004
  22. Steeping FMU12 siteslatest 3 May 2019
  23. DS Cam11 siteslatest 30 Sept 2025
  24. Lincolnshire Lakes11 siteslatest 6 Dec 2001
  25. Peakirk downstream11 siteslatest 21 Sept 2000
  26. River Derwent (Yorkshire)11 siteslatest 30 Jul 2024
  27. Above Wellingborough10 siteslatest 25 Oct 2013
  28. DS Lark10 siteslatest 17 Sept 2015
  29. DS Lt Ouse10 siteslatest 23 May 2012
  30. DS Wissey10 siteslatest 1 Aug 2007
  31. Ely Ouse10 siteslatest 10 Oct 2023
  32. River Blackwater (East Anglia)10 siteslatest 13 Oct 2011
  33. River Swale (Yorkshire)10 siteslatest 24 Jul 2025
  34. South Forty Foot Drain10 siteslatest 24 May 2016
  35. TWARP reaches of the Thames10 siteslatest 19 Jul 2023
  36. Tidal Waveney10 siteslatest 25 Feb 2015
  37. Waveney (central)10 siteslatest 9 Jul 2014
  38. Yare10 siteslatest 17 Aug 2023
  39. Below Wansford9 siteslatest 22 Jun 2015
  40. Counter Drain9 siteslatest 16 Mar 2023
  41. Great Ouse (Brackley to Newport Pagnell)9 siteslatest 10 Oct 2016
  42. Lower Glen9 siteslatest 9 Mar 2011
  43. Medway - main river9 siteslatest 28 Aug 2025
  44. River Kennet9 siteslatest 5 Nov 2022
  45. River Nene (Old Course)9 siteslatest 5 Jul 2023
  46. River Stour Lower (IoH Stratford to Flatford)9 siteslatest 3 Jul 2024
  47. Delph8 siteslatest 27 Jun 2023
  48. Hobhole Drain8 siteslatest 27 Sept 2019
  49. Ivel8 siteslatest 30 Apr 2025
  50. Lee Navigation (Hertfordshire and North London)8 siteslatest 11 Jul 2024
  51. Middle Level Main Drain8 siteslatest 1 Aug 2023
  52. Moretons Leam8 siteslatest 28 May 2013
  53. Old West River8 siteslatest 7 Sept 2023
  54. Ormesby Broad8 siteslatest 16 Sept 1997
  55. Rmc8 siteslatest 14 May 2024
  56. River Cherwell8 siteslatest 13 Jun 2014
  57. River Nidd (Yorkshire)8 siteslatest 9 Jul 2025
  58. River Wharfe (Yorkshire)8 siteslatest 20 Aug 2024
  59. Severn - Confl Vyrnwy to Bewdley (main river)8 siteslatest 4 Oct 2022
  60. Sixteen Foot Drain8 siteslatest 5 Jul 2011
  61. Well Creek8 siteslatest 14 May 2026
  62. Witham Bargate (upper) Subcatchment8 siteslatest 10 May 2017
  63. Filby Broad7 siteslatest 27 Aug 1997
  64. Middle Thames (Thames)7 siteslatest 27 Jul 2019
  65. R.Slea7 siteslatest 4 Oct 2017
  66. River Alne7 siteslatest 2 Jul 2019
  67. River Don7 siteslatest 2 Aug 2017
  68. River Stour (West Midlands)7 siteslatest 24 Aug 2017
  69. Severn - Bewdley to confl Avon (main river)7 siteslatest 28 Sept 2022
  70. Tidal Bure7 siteslatest 20 Jan 2026
  71. Tove7 siteslatest 4 Jun 1991
  72. Upper Thames (Thames)7 siteslatest 24 Sept 2025
  73. West Fen Drain7 siteslatest 27 Jun 2016
  74. Wroxham Broad7 siteslatest 11 Aug 2005
  75. East Fen Catchwater6 siteslatest 30 Apr 2013
  76. Forty Foot Drain6 siteslatest 18 Jul 2023
  77. Jubilee River6 siteslatest 23 Aug 2013
  78. Ranworth Broad6 siteslatest 13 Aug 1999
  79. Relief Channel (Trawling Sites)6 siteslatest 3 Nov 2005
  80. South Walsham Broad6 siteslatest 17 Sept 2002

Distribution

By ecology region

  • East Anglia587 sites
  • Lincolnshire and Northamptonshire274 sites
  • Thames132 sites
  • West Midlands108 sites
  • Yorkshire104 sites
  • Wessex67 sites
  • Kent, South London and East Sussex30 sites
  • Hertfordshire and North London28 sites
  • East Midlands25 sites
  • Greater Manchester Merseyside and Cheshire15 sites
  • Cumbria and Lancashire12 sites
  • Solent and South Downs4 sites
  • Devon and Cornwall and the Isles of Scilly3 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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