ARAnglerRadar evidence & rules

Cottus gobio · England

Where bullhead has been recorded

Environment Agency surveys have recorded bullhead at 5,401 sites across 1,441 waters, between 1973 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. Test57 siteslatest 9 Oct 2025
  2. River Tees (North East)52 siteslatest 10 Oct 2025
  3. River Wear (North East)50 siteslatest 9 Sept 2025
  4. Lugg39 siteslatest 10 Oct 2023
  5. River Ure Tributaries (Yorkshire)35 siteslatest 23 Sept 2025
  6. Lymington34 siteslatest 17 Sept 2025
  7. Itchen (Solent and South Downs)31 siteslatest 5 Sept 2025
  8. Main River Torridge31 siteslatest 16 Jul 2025
  9. Wensum (central)29 siteslatest 10 Sept 2025
  10. Main Avon Sites (Wessex)28 siteslatest 8 Oct 2025
  11. Main Camel26 siteslatest 16 Jun 2026
  12. Bollin25 siteslatest 13 Aug 2025
  13. Main River Axe (Devon and Cornwall and the Isles of Scilly)25 siteslatest 16 Oct 2025
  14. Main River Exe25 siteslatest 31 Jul 2025
  15. River Wansbeck23 siteslatest 22 Jun 2026
  16. Warwickshire Avon23 siteslatest 8 Sept 2015
  17. River Dane22 siteslatest 8 Jul 2024
  18. Main river sites21 siteslatest 18 Sept 2025
  19. Great Ouse (Brackley to Newport Pagnell)20 siteslatest 12 Jun 2025
  20. Main Tamar20 siteslatest 6 Aug 2025
  21. Main Yealm20 siteslatest 28 Aug 2025
  22. Mimram20 siteslatest 25 Sept 2025
  23. Nar20 siteslatest 1 Apr 2026
  24. River Stour Upper (East Anglia)20 siteslatest 8 Oct 2024
  25. River Teme20 siteslatest 7 Aug 2025
  26. Main Fowey19 siteslatest 30 Jul 2025
  27. Roding19 siteslatest 23 Apr 2026
  28. US Lt Ouse19 siteslatest 10 Jul 2024
  29. Main River Okement18 siteslatest 17 Sept 2024
  30. River Blackwater (East Anglia)18 siteslatest 8 Nov 2023
  31. River Don18 siteslatest 12 Aug 2025
  32. River Goyt18 siteslatest 10 Sept 2025
  33. River Stour Middle (East Anglia)18 siteslatest 11 Aug 2025
  34. Arrow (West Midlands)17 siteslatest 12 Aug 2024
  35. Bow Brook17 siteslatest 6 Aug 2024
  36. River Dove (West Midlands)17 siteslatest 9 Sept 2025
  37. River Calder17 siteslatest 2 Oct 2025
  38. River Nidd (Yorkshire)17 siteslatest 21 Aug 2025
  39. River Taw sites17 siteslatest 9 Sept 2025
  40. Beaulieu16 siteslatest 29 Jul 2025
  41. Main River Mole (Devon and Cornwall and the Isles of Scilly)16 siteslatest 19 Aug 2025
  42. Main River Parrett16 siteslatest 2 Sept 2025
  43. River Leam16 siteslatest 25 May 2023
  44. River Aire (Yorkshire)16 siteslatest 1 Jul 2026
  45. River Leadon16 siteslatest 4 Aug 2022
  46. River Ure (Yorkshire)16 siteslatest 8 Sept 2025
  47. Wensum (Restoration strategy)16 siteslatest 1 May 2025
  48. Bain Tributary sites15 siteslatest 11 Apr 2014
  49. Colne (Hertfordshire and North London)15 siteslatest 15 Jun 2026
  50. Great Ouse (Newport Pagnell to Bedford)15 siteslatest 30 Aug 2023
  51. Great Stour - main river15 siteslatest 30 Jul 2024
  52. Main Inny15 siteslatest 21 Aug 2025
  53. Main Lyd (Devon and Cornwall and the Isles of Scilly)15 siteslatest 8 Sept 2025
  54. Main River Barle15 siteslatest 9 Jul 2025
  55. Main Tavy15 siteslatest 9 Sept 2025
  56. Meon15 siteslatest 5 Aug 2025
  57. Ouzel15 siteslatest 16 Apr 2026
  58. River Colne Lower (East Anglia)15 siteslatest 2 Jun 2026
  59. River Nadder15 siteslatest 24 Jul 2024
  60. Western Rother Tributaries (Solent and South Downs)15 siteslatest 1 Jul 2021
  61. Yare15 siteslatest 17 Aug 2023
  62. Arun (Solent and South Downs)14 siteslatest 10 Sept 2025
  63. Chess14 siteslatest 7 Oct 2025
  64. Irwell14 siteslatest 9 Jun 2022
  65. Main Allen (Devon and Cornwall and the Isles of Scilly)14 siteslatest 14 Aug 2025
  66. Main Lynher14 siteslatest 26 Aug 2025
  67. R.Bain14 siteslatest 14 Jun 2023
  68. River Arrow (West Midlands)14 siteslatest 21 May 2025
  69. River Bray14 siteslatest 12 Aug 2025
  70. River Chelmer Lower (C&B Navigation)14 siteslatest 4 Jul 2025
  71. River Chelt14 siteslatest 23 Jul 2014
  72. River Derwent (Yorkshire)14 siteslatest 11 Aug 2025
  73. Severn - Confl Vyrnwy to Bewdley (main river)14 siteslatest 19 Sept 2023
  74. Wye (East Midlands)14 siteslatest 5 Oct 2022
  75. Barlow Brook Habitat Improvement Project sites13 siteslatest 24 Aug 2016
  76. Ivel13 siteslatest 30 Apr 2025
  77. Medway - main river13 siteslatest 23 Oct 2025
  78. Ouse (Solent and South Downs)13 siteslatest 25 Jul 2024
  79. River Brett (Main Reaches)13 siteslatest 9 Apr 2026
  80. River Derwent (Cumbria and Lancashire)13 siteslatest 15 Jul 2025

Distribution

By ecology region

  • Devon and Cornwall and the Isles of Scilly892 sites
  • East Anglia873 sites
  • West Midlands740 sites
  • Yorkshire691 sites
  • Solent and South Downs468 sites
  • Wessex461 sites
  • Greater Manchester Merseyside and Cheshire228 sites
  • North East225 sites
  • Lincolnshire and Northamptonshire193 sites
  • East Midlands184 sites
  • Kent, South London and East Sussex172 sites
  • Hertfordshire and North London151 sites
  • Thames92 sites
  • Cumbria and Lancashire31 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 →