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.

West Midlands

Nailsworth Stream

Survey sites
9
Survey events
30
Recorded taxa
11
Evidence period
9 Mar 1992 – 8 Aug 2023
Sites latest within 2 years
0
Sites latest over 10 years ago
7
EA waterbody IDs
GB109054026510 · GB109054026520 · GB109054026530 · GB209054032450
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

8 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 troutNailsworth Stream 9River Kennet 47Latest evidence 8 Aug 2023 · 14 Oct 2025
  2. RoachNailsworth Stream 2River Kennet 36Latest evidence 24 Jul 2002 · 8 Oct 2025
  3. BullheadNailsworth Stream 7River Kennet 11Latest evidence 8 Aug 2023 · 14 Oct 2025
  4. TenchNailsworth Stream 1River Kennet 13Latest evidence 17 Mar 1992 · 13 Nov 2024
  5. Rainbow troutNailsworth Stream 3River Kennet 8Latest evidence 23 Aug 1995 · 8 Oct 2024
  6. 3-spined sticklebackNailsworth Stream 6River Kennet 4Latest evidence 26 Sept 2011 · 14 Oct 2025
  7. European eels > elversNailsworth Stream 5River Kennet 5Latest evidence 13 Jul 2011 · 10 Oct 2025
  8. Brook lamprey > ammocoeteNailsworth Stream 2River Kennet 1Latest evidence 16 Jun 1997 · 6 Oct 2023

Only in the Nailsworth Stream survey set

  1. Lamprey sp. ammocoetes2 sites · latest 8 Aug 2023
  2. Brook lamprey ammocoetes1 site · latest 26 Sept 2011
  3. European elvers1 site · latest 31 Aug 2017

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. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  12. Minnow11 sites · latest 14 Oct 2025
  13. European eel9 sites · latest 8 Nov 2013
  14. Ruffe9 sites · latest 5 Nov 2022
  15. Stone loach8 sites · latest 8 Oct 2025
  16. Brook lamprey7 sites · latest 14 Oct 2025
  17. Common [wild] carp5 sites · latest 24 Oct 2018
  18. Pike varieties5 sites · latest 1 Oct 2025
  19. Mirror carp4 sites · latest 4 Nov 2008
  20. Common carp varieties3 sites · latest 22 Oct 2015
  21. Rudd3 sites · latest 4 Nov 2022
  22. Silver bream3 sites · latest 4 Nov 2022
  23. Golden goldfish1 site · latest 12 Nov 2009

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
Open the source dataset ↗Check live rules ↗