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.

Hertfordshire and North London

Ver

Survey sites
11
Survey events
20
Recorded taxa
15
Evidence period
12 Oct 1995 – 11 Nov 2016
Sites latest within 2 years
0
Sites latest over 10 years ago
8
EA waterbody IDs
GB106039023590 · GB106039029920
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

13 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 troutVer 8River Kennet 47Latest evidence 11 Nov 2016 · 14 Oct 2025
  2. PikeVer 1River Kennet 47Latest evidence 11 Nov 2016 · 9 Oct 2025
  3. ChubVer 4River Kennet 41Latest evidence 20 Oct 2016 · 9 Oct 2025
  4. DaceVer 1River Kennet 41Latest evidence 7 Jun 2006 · 9 Oct 2025
  5. PerchVer 3River Kennet 38Latest evidence 11 Nov 2016 · 9 Oct 2025
  6. RoachVer 4River Kennet 36Latest evidence 11 Nov 2016 · 8 Oct 2025
  7. GudgeonVer 4River Kennet 31Latest evidence 11 Nov 2016 · 1 Oct 2025
  8. BarbelVer 1River Kennet 22Latest evidence 6 May 2004 · 25 Sept 2025
  9. BullheadVer 6River Kennet 11Latest evidence 26 Oct 2016 · 14 Oct 2025
  10. MinnowVer 6River Kennet 11Latest evidence 26 Oct 2016 · 14 Oct 2025
  11. 3-spined sticklebackVer 8River Kennet 4Latest evidence 20 Oct 2016 · 14 Oct 2025
  12. Stone loachVer 3River Kennet 8Latest evidence 13 Jul 2006 · 8 Oct 2025
  13. Rainbow troutVer 1River Kennet 8Latest evidence 20 May 2004 · 8 Oct 2024

Only in the Ver survey set

  1. 10-spined stickleback2 sites · latest 13 Jul 2006
  2. Feral [brown] goldfish1 site · latest 20 Oct 2016

Only in the River Kennet survey set

  1. Bleak27 sites · latest 25 Sept 2025
  2. Grayling21 sites · latest 9 Oct 2025
  3. Common bream19 sites · latest 25 Sept 2025
  4. Atlantic salmon14 sites · latest 25 Oct 2010
  5. Tench13 sites · latest 13 Nov 2024
  6. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  7. European eel9 sites · latest 8 Nov 2013
  8. Ruffe9 sites · latest 5 Nov 2022
  9. Brook lamprey7 sites · latest 14 Oct 2025
  10. Common [wild] carp5 sites · latest 24 Oct 2018
  11. European eels > elvers5 sites · latest 10 Oct 2025
  12. Pike varieties5 sites · latest 1 Oct 2025
  13. Mirror carp4 sites · latest 4 Nov 2008
  14. Common carp varieties3 sites · latest 22 Oct 2015
  15. Rudd3 sites · latest 4 Nov 2022
  16. Silver bream3 sites · latest 4 Nov 2022
  17. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  18. 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
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