ARAnglerRadar evidence & rules

Lampetra planeri · England

Where brook lamprey has been recorded

Environment Agency surveys have recorded brook lamprey at 824 sites across 367 waters, between 1977 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. Lymington21 siteslatest 3 Jul 2023
  2. Wensum (central)18 siteslatest 18 Sept 2008
  3. Beaulieu14 siteslatest 4 Jul 2023
  4. Test11 siteslatest 22 Aug 2025
  5. River Dove (West Midlands)10 siteslatest 4 Sept 2023
  6. US Lt Ouse10 siteslatest 2 Jul 2015
  7. Western Rother (Solent and South Downs)10 siteslatest 16 Jun 2026
  8. Great Eau Riffles9 siteslatest 27 Sept 1995
  9. Meon9 siteslatest 5 Aug 2025
  10. River Tees (North East)9 siteslatest 17 Oct 2023
  11. Wensum (upper)9 siteslatest 3 Nov 2011
  12. Cheriton stream8 siteslatest 20 Aug 2025
  13. Glaven (East Anglia)8 siteslatest 1 Jun 2011
  14. Great Ouse (Brackley to Newport Pagnell)8 siteslatest 10 Oct 2017
  15. Itchen (Solent and South Downs)8 siteslatest 22 Sept 2023
  16. Main River Tone8 siteslatest 18 Oct 2022
  17. Ouse (Solent and South Downs)8 siteslatest 25 Jul 2024
  18. Stiffkey8 siteslatest 11 May 2011
  19. Cuckmere7 siteslatest 8 Nov 2024
  20. Main River Parrett7 siteslatest 14 Aug 2013
  21. River Kennet7 siteslatest 14 Oct 2025
  22. River Rivelin7 siteslatest 11 Aug 2009
  23. River Uck7 siteslatest 14 Aug 2025
  24. Ash (Hertfordshire and North London)6 siteslatest 18 Sept 2025
  25. Bourne Rivulet6 siteslatest 26 Sept 2013
  26. Hamble6 siteslatest 2 Aug 2021
  27. Loxwood Stream6 siteslatest 7 Aug 2013
  28. Main Inny6 siteslatest 17 Jun 2010
  29. Main Lyd (Devon and Cornwall and the Isles of Scilly)6 siteslatest 2 Sept 2010
  30. Medway - main river6 siteslatest 16 Oct 2025
  31. Nar6 siteslatest 1 Apr 2025
  32. River Goyt6 siteslatest 10 Sept 2025
  33. River Ribble6 siteslatest 26 Jun 2024
  34. Arun (Solent and South Downs)5 siteslatest 9 Jul 2025
  35. Avon Water5 siteslatest 20 Jun 2018
  36. Bure (upper)5 siteslatest 10 May 1994
  37. Candover5 siteslatest 18 Aug 2025
  38. Derwent (East Midlands)5 siteslatest 3 Oct 2016
  39. Ecclesbourne5 siteslatest 15 Jul 2025
  40. Main Ottery5 siteslatest 7 Jul 2010
  41. River Dane5 siteslatest 13 Jun 2006
  42. River Etherow5 siteslatest 21 Sept 2009
  43. US Cam5 siteslatest 5 Jul 2013
  44. Western Rother Tributaries (Solent and South Downs)5 siteslatest 18 Jul 2018
  45. Yare5 siteslatest 4 Nov 2020
  46. Bure (central)4 siteslatest 3 Jun 1998
  47. Cone Pill4 siteslatest 5 Jun 2009
  48. Gayton Brook4 siteslatest 7 Jun 2023
  49. Little Stour4 siteslatest 13 Jun 2024
  50. Lymn FMU4 siteslatest 7 Nov 2025
  51. Main Doniford Stream4 siteslatest 11 Apr 2005
  52. Main Neet4 siteslatest 13 Sept 2010
  53. R.Bain4 siteslatest 7 Apr 2005
  54. River Hamps4 siteslatest 3 Sept 2013
  55. Rhee4 siteslatest 29 Jul 2016
  56. River Glem4 siteslatest 1 Jun 1988
  57. River Keer4 siteslatest 17 Jun 2024
  58. River Wyre4 siteslatest 25 Jul 2016
  59. Tud4 siteslatest 20 Jun 2000
  60. US Lark4 siteslatest 3 May 2023
  61. Washford River4 siteslatest 3 Jun 2009
  62. Arrow (West Midlands)3 siteslatest 12 Aug 2024
  63. Bollin3 siteslatest 21 Sept 2022
  64. Cant Beck3 siteslatest 25 Jul 2025
  65. DS Lark3 siteslatest 20 Sept 2012
  66. Dun (Solent and South Downs)3 siteslatest 5 Aug 2014
  67. Granta3 siteslatest 26 Apr 2016
  68. Main Claw3 siteslatest 15 Jun 2010
  69. Main Lynher3 siteslatest 12 Aug 2010
  70. Main Yealm3 siteslatest 6 Jul 2009
  71. Quin3 siteslatest 28 Oct 2021
  72. River Manifold3 siteslatest 24 Sept 2015
  73. River Douglas3 siteslatest 7 Jul 2017
  74. River Lymn Tributary Sites3 siteslatest 22 Nov 1995
  75. River Wenning3 siteslatest 23 Aug 2018
  76. Snail3 siteslatest 14 Mar 2014
  77. Stebbing Brook3 siteslatest 11 Feb 1998
  78. Tas3 siteslatest 22 Apr 2005
  79. Teise3 siteslatest 5 Jun 2023
  80. Thet3 siteslatest 22 Oct 2024

Distribution

By ecology region

  • Solent and South Downs190 sites
  • East Anglia182 sites
  • Devon and Cornwall and the Isles of Scilly94 sites
  • West Midlands67 sites
  • Wessex58 sites
  • Cumbria and Lancashire57 sites
  • Lincolnshire and Northamptonshire30 sites
  • Greater Manchester Merseyside and Cheshire30 sites
  • Thames27 sites
  • Kent, South London and East Sussex22 sites
  • Yorkshire19 sites
  • Hertfordshire and North London19 sites
  • East Midlands19 sites
  • North East10 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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