ARAnglerRadar evidence & rules

Perca fluviatilis · England

Where perch has been recorded

Environment Agency surveys have recorded perch at 4,938 sites across 1,083 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 Lakes121 siteslatest 6 Dec 2011
  2. Warwickshire Avon86 siteslatest 6 Oct 2025
  3. River Kennet38 siteslatest 9 Oct 2025
  4. Grand Union Canal36 siteslatest 16 Sept 2013
  5. River Don36 siteslatest 12 Aug 2025
  6. Wensum (central)35 siteslatest 10 Sept 2025
  7. Above Wansford34 siteslatest 17 Sept 2018
  8. Colne (Hertfordshire and North London)34 siteslatest 15 Jun 2026
  9. River Trent (West Midlands)34 siteslatest 11 Sept 2025
  10. River Cherwell34 siteslatest 11 Jun 2025
  11. Upper Thames (Thames)34 siteslatest 16 Oct 2025
  12. Lee Navigation (Hertfordshire and North London)28 siteslatest 16 Sept 2025
  13. Main river sites28 siteslatest 18 Sept 2025
  14. R.Ancholme Subcatchments27 siteslatest 25 Apr 2018
  15. Great Ouse (Newport Pagnell to Bedford)24 siteslatest 31 Aug 2023
  16. Lee (Hertfordshire and North London)24 siteslatest 9 Jun 2026
  17. Middle Thames (Thames)24 siteslatest 25 Jul 2025
  18. River Blackwater (East Anglia)24 siteslatest 8 Nov 2023
  19. River Stour Middle (East Anglia)24 siteslatest 11 Aug 2025
  20. River Chelmer Lower (C&B Navigation)23 siteslatest 9 Jul 2025
  21. River Ouse (Yorkshire)23 siteslatest 22 Jun 2026
  22. Great Ouse (Brackley to Newport Pagnell)22 siteslatest 21 Apr 2026
  23. Lake Surveys22 siteslatest 6 Feb 2017
  24. River Churnet22 siteslatest 20 Sept 2024
  25. Blackwater (Solent and South Downs)21 siteslatest 6 May 2026
  26. Great Ouse (Brampton to Earith)21 siteslatest 22 Oct 2025
  27. River Leam21 siteslatest 4 May 2023
  28. River Tame21 siteslatest 22 May 2018
  29. River Evenlode21 siteslatest 28 Aug 2024
  30. River Tees (North East)21 siteslatest 15 Aug 2025
  31. Counter Drain20 siteslatest 10 Jun 2026
  32. Great Ouse (Bedford to Brampton)20 siteslatest 5 Oct 2018
  33. Mole - main river (Kent, South London and East Sussex)20 siteslatest 29 Jul 2025
  34. Relief Channel (East Anglia)20 siteslatest 9 Aug 2023
  35. River Calder20 siteslatest 14 Aug 2025
  36. River Thame20 siteslatest 18 Sept 2025
  37. River Ure (Yorkshire)20 siteslatest 13 Aug 2025
  38. Waveney (central)20 siteslatest 25 Sept 2023
  39. Above Wellingborough19 siteslatest 16 Nov 2018
  40. River Arrow (West Midlands)19 siteslatest 20 May 2025
  41. River Dearne19 siteslatest 2 Jul 2026
  42. River Stour Upper (East Anglia)19 siteslatest 8 Oct 2024
  43. Medway - main river18 siteslatest 18 Jun 2026
  44. Ouse (Solent and South Downs)18 siteslatest 14 Aug 2024
  45. River Colne Lower (East Anglia)18 siteslatest 14 May 2026
  46. Roding18 siteslatest 8 Aug 2024
  47. TWARP reaches of the Thames18 siteslatest 20 Jul 2025
  48. Great Stour - main river17 siteslatest 30 Jul 2024
  49. River Deben (Main Reaches)17 siteslatest 14 Apr 2026
  50. Soar17 siteslatest 17 Jul 2025
  51. Tidal Yare17 siteslatest 29 Jan 2026
  52. R.Stour special sites16 siteslatest 25 Sept 2007
  53. River Aire (Yorkshire)16 siteslatest 14 Aug 2025
  54. River Derwent (Yorkshire)16 siteslatest 11 Aug 2025
  55. Severn - Confl Vyrnwy to Bewdley (main river)16 siteslatest 12 Sept 2023
  56. Trent (East Midlands)16 siteslatest 19 Sept 2025
  57. Barton Broad15 siteslatest 16 Jan 2026
  58. Below Wansford15 siteslatest 30 Oct 2024
  59. Ouzel15 siteslatest 16 Apr 2026
  60. US Lt Ouse15 siteslatest 20 Aug 2024
  61. Yare15 siteslatest 17 Aug 2023
  62. Arun (Solent and South Downs)14 siteslatest 8 Jul 2025
  63. Derwent (East Midlands)14 siteslatest 22 Sept 2025
  64. Hickling Broad14 siteslatest 23 Jan 2026
  65. Main Avon Sites (Wessex)14 siteslatest 14 Aug 2024
  66. Main River Parrett14 siteslatest 2 Sept 2025
  67. Manchester Ship Canal14 siteslatest 5 Apr 2011
  68. River Brett (Main Reaches)14 siteslatest 7 Apr 2026
  69. River Hull14 siteslatest 29 Sept 2025
  70. River Wharfe (Yorkshire)14 siteslatest 22 Aug 2024
  71. South Holland Main Drain14 siteslatest 3 Apr 2025
  72. Wey Combined14 siteslatest 7 Jul 2023
  73. Cut-Off Channel13 siteslatest 22 Jun 2023
  74. Main River Yeo (Wessex)13 siteslatest 17 Jul 2014
  75. Ormesby Broad13 siteslatest 16 Sept 1997
  76. Oxford Watercourses13 siteslatest 4 Apr 2019
  77. Peakirk downstream13 siteslatest 20 Sept 2000
  78. R.Bain13 siteslatest 13 Jun 2023
  79. River Cole13 siteslatest 8 Aug 2024
  80. River Sow13 siteslatest 2 Apr 2026

Distribution

By ecology region

  • East Anglia1,177 sites
  • Lincolnshire and Northamptonshire724 sites
  • West Midlands622 sites
  • Thames557 sites
  • Yorkshire375 sites
  • Wessex282 sites
  • Hertfordshire and North London241 sites
  • Solent and South Downs216 sites
  • Kent, South London and East Sussex197 sites
  • Greater Manchester Merseyside and Cheshire191 sites
  • East Midlands190 sites
  • Cumbria and Lancashire82 sites
  • Devon and Cornwall and the Isles of Scilly48 sites
  • North East36 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 →