ARAnglerRadar evidence & rules

Carassius auratus · England

Where feral [brown] goldfish has been recorded

Environment Agency surveys have recorded feral [brown] goldfish at 140 sites across 77 waters, between 1984 and 2024. 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 Lakes33 siteslatest 16 Nov 2005
  2. River Wid (Main Reaches)7 siteslatest 30 Nov 2007
  3. Mardyke5 siteslatest 4 Jun 2019
  4. River Blackwater (East Anglia)5 siteslatest 26 Sept 2002
  5. Gade3 siteslatest 9 May 2016
  6. Holland Brook (Main Reaches)3 siteslatest 5 Jun 2007
  7. River Chelmer Lower (C&B Navigation)3 siteslatest 7 Jun 2007
  8. River Pant (Main Reaches)3 siteslatest 29 Aug 2017
  9. Wandle3 siteslatest 1 Jul 2015
  10. Bevern Stream2 siteslatest 13 Aug 2013
  11. Cuckmere2 siteslatest 4 Sept 2002
  12. Main river sites2 siteslatest 17 May 2016
  13. Ramsey River2 siteslatest 14 Nov 1988
  14. River Brain2 siteslatest 9 Nov 2005
  15. River Stour Upper (East Anglia)2 siteslatest 26 Sept 2003
  16. Teville Stream2 siteslatest 9 Apr 2010
  17. Above Rockingham1 sitelatest 18 May 2011
  18. Adur East Arm1 sitelatest 7 Aug 2012
  19. Beam1 sitelatest 28 Oct 2005
  20. Bollin1 sitelatest 15 Sept 2022
  21. Bull River1 sitelatest 21 Jul 2000
  22. Bulwell Hall Ponds1 sitelatest 19 Nov 2013
  23. Cheshire1 sitelatest 10 Nov 2008
  24. Chess1 sitelatest 24 Sept 2015
  25. Coggins Mill Stream1 sitelatest 29 Jul 2016
  26. Cut-Off Channel1 sitelatest 4 Oct 2000
  27. Darley Brook1 sitelatest 16 Aug 2023
  28. Dowles Brook1 sitelatest 7 Jul 2016
  29. Duke of Northumberland1 sitelatest 13 Jun 2000
  30. East Hoathly stream1 sitelatest 6 Sept 2004
  31. Elmhurst B1 sitelatest 22 Nov 2002
  32. Elmhurst Lake1 sitelatest 16 Dec 2002
  33. Ingol1 sitelatest 18 Jun 2015
  34. Kirby Brook1 sitelatest 10 Nov 1993
  35. Lake Surveys1 sitelatest 13 Mar 2006
  36. Lee (Hertfordshire and North London)1 sitelatest 3 Aug 2022
  37. Lidsey Rife1 sitelatest 15 Jan 2001
  38. Meden1 sitelatest 23 May 2013
  39. Mablethorpe Cut FMU1 sitelatest 17 Oct 1989
  40. Main River Marden1 sitelatest 11 Oct 2016
  41. Main River Tone1 sitelatest 12 Sept 2019
  42. Main Strat1 sitelatest 21 Sept 2016
  43. Micker Brook1 sitelatest 26 Jun 2006
  44. Oughton1 sitelatest 21 Oct 1997
  45. Ouse (Solent and South Downs)1 sitelatest 24 Sept 2008
  46. Pickers Ditch1 sitelatest 12 Nov 1993
  47. River Blythe1 sitelatest 27 Jun 2006
  48. River Cole1 sitelatest 4 Oct 2000
  49. River Alde (Main Reaches)1 sitelatest 26 Jul 2010
  50. River Blyth (Main Reaches)1 sitelatest 18 May 1995
  51. River Box (Main Reaches)1 sitelatest 22 May 2012
  52. River Brett (Main Reaches)1 sitelatest 19 Apr 2018
  53. River Calder catchment1 sitelatest 8 Mar 2007
  54. River Can (Main Reaches)1 sitelatest 9 Jan 1987
  55. River Chelmer Upper (Main Reaches)1 sitelatest 8 Sept 1986
  56. River Coln1 sitelatest 5 Apr 2007
  57. River Colne Lower (East Anglia)1 sitelatest 28 Jul 1987
  58. River Colne Upper (East Anglia)1 sitelatest 29 Nov 1990
  59. River Crouch1 sitelatest 24 Aug 2011
  60. River Dearne1 sitelatest 26 Jul 2012
  61. River Deben (Headwaters)1 sitelatest 10 Feb 2006
  62. River Don1 sitelatest 25 Mar 2004
  63. River Don catchment1 sitelatest 20 Jan 2009
  64. River Lod1 sitelatest 4 Jul 2005
  65. River Uck1 sitelatest 17 Sept 2024
  66. Roding1 sitelatest 10 Sept 2021
  67. Stillwaters1 sitelatest 20 Nov 2014
  68. Salford Stream1 sitelatest 20 Oct 2016
  69. Shopham1 sitelatest 15 Jul 2009
  70. Stillwater Management1 sitelatest 16 Nov 2016
  71. Tenpenny Brook1 sitelatest 2 Feb 2007
  72. Tetford Country Cottages1 sitelatest 10 Nov 2004
  73. Thet1 sitelatest 9 Feb 1993
  74. Tilgate Stream1 sitelatest 16 May 2012
  75. Turkey Brook1 sitelatest 16 Apr 2014
  76. Ver1 sitelatest 20 Oct 2016
  77. Waveney (habitat works)1 sitelatest 14 May 1999

Distribution

By ecology region

  • East Anglia51 sites
  • Lincolnshire and Northamptonshire38 sites
  • Solent and South Downs14 sites
  • Hertfordshire and North London10 sites
  • Kent, South London and East Sussex7 sites
  • Yorkshire4 sites
  • Wessex4 sites
  • Greater Manchester Merseyside and Cheshire4 sites
  • West Midlands3 sites
  • East Midlands3 sites
  • Thames1 sites
  • Devon and Cornwall and the Isles of Scilly1 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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