ARAnglerRadar evidence & rules

Compare river fishing evidence · England

Same facts.
No winner score.

Choose two named waters and compare the evidence that actually exists. Survey effort, species records and freshness are shown separately because none proves access, current presence or fishing quality.

East Anglia

Heacham

Survey sites
8
Survey events
28
Recorded taxa
8
Evidence period
6 Feb 1989 – 9 Feb 2017
Sites latest within 2 years
0
Sites latest over 10 years ago
7
EA waterbody IDs
GB105033053480
Access status
Not established by survey data
Thames

River Kennet

Survey sites
56
Survey events
264
Recorded taxa
31
Evidence period
28 Sept 1999 – 14 Oct 2025
Sites latest within 2 years
16
Sites latest over 10 years ago
31
EA waterbody IDs
GB106039017420 · GB106039023120 · GB106039023140 · GB106039023172
Access status
Not established by survey data

Overlap

6 recorded taxa appear in both survey sets

The site counts are shown per water. A higher count can reflect more monitoring sites, not a larger or healthier population.

  1. Brown / sea troutHeacham 7River Kennet 47Latest evidence 9 Feb 2017 · 14 Oct 2025
  2. RoachHeacham 1River Kennet 36Latest evidence 26 May 2015 · 8 Oct 2025
  3. European eels > elversHeacham 8River Kennet 5Latest evidence 9 Feb 2017 · 10 Oct 2025
  4. 3-spined sticklebackHeacham 8River Kennet 4Latest evidence 9 Feb 2017 · 14 Oct 2025
  5. European eelHeacham 1River Kennet 9Latest evidence 15 Mar 2011 · 8 Nov 2013
  6. RuddHeacham 1River Kennet 3Latest evidence 15 Apr 1996 · 4 Nov 2022

Only in the Heacham survey set

  1. Flounder3 sites · latest 19 May 2008
  2. 10-spined stickleback2 sites · latest 17 Apr 2015

Only in the River Kennet survey set

  1. Pike47 sites · latest 9 Oct 2025
  2. Chub41 sites · latest 9 Oct 2025
  3. Dace41 sites · latest 9 Oct 2025
  4. Perch38 sites · latest 9 Oct 2025
  5. Gudgeon31 sites · latest 1 Oct 2025
  6. Bleak27 sites · latest 25 Sept 2025
  7. Barbel22 sites · latest 25 Sept 2025
  8. Grayling21 sites · latest 9 Oct 2025
  9. Common bream19 sites · latest 25 Sept 2025
  10. Atlantic salmon14 sites · latest 25 Oct 2010
  11. Tench13 sites · latest 13 Nov 2024
  12. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  13. Bullhead11 sites · latest 14 Oct 2025
  14. Minnow11 sites · latest 14 Oct 2025
  15. Ruffe9 sites · latest 5 Nov 2022
  16. Rainbow trout8 sites · latest 8 Oct 2024
  17. Stone loach8 sites · latest 8 Oct 2025
  18. Brook lamprey7 sites · latest 14 Oct 2025
  19. Common [wild] carp5 sites · latest 24 Oct 2018
  20. Pike varieties5 sites · latest 1 Oct 2025
  21. Mirror carp4 sites · latest 4 Nov 2008
  22. Common carp varieties3 sites · latest 22 Oct 2015
  23. Silver bream3 sites · latest 4 Nov 2022
  24. Brook lamprey > ammocoete1 site · latest 6 Oct 2023

Method and boundary

Comparison, not prediction.

  • SourceEnvironment Agency Ecology & Fish Data
  • LicenceOpen Government Licence v3.0
  • Source copy retrieved23 Jul 2026
  • CoordinatesNot published on this page
  • Not assertedAccess, current presence, abundance, catch prospects or safety