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

Flood Relief

Survey sites
11
Survey events
11
Recorded taxa
12
Evidence period
28 May 1992 – 16 Apr 2009
Sites latest within 2 years
0
Sites latest over 10 years ago
11
EA waterbody IDs
GB106038033210 · GB106038077851
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

11 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. RoachFlood Relief 11River Kennet 36Latest evidence 16 Apr 2009 · 8 Oct 2025
  2. PerchFlood Relief 8River Kennet 38Latest evidence 16 Apr 2009 · 9 Oct 2025
  3. ChubFlood Relief 4River Kennet 41Latest evidence 14 Apr 2009 · 9 Oct 2025
  4. DaceFlood Relief 2River Kennet 41Latest evidence 23 Jun 1992 · 9 Oct 2025
  5. BleakFlood Relief 3River Kennet 27Latest evidence 14 Apr 2009 · 25 Sept 2025
  6. BarbelFlood Relief 4River Kennet 22Latest evidence 9 Jul 1992 · 25 Sept 2025
  7. Common breamFlood Relief 2River Kennet 19Latest evidence 7 Jul 1992 · 25 Sept 2025
  8. European eelFlood Relief 9River Kennet 9Latest evidence 16 Apr 2009 · 8 Nov 2013
  9. Pike varietiesFlood Relief 9River Kennet 5Latest evidence 16 Apr 2009 · 1 Oct 2025
  10. RuffeFlood Relief 4River Kennet 9Latest evidence 14 Apr 2009 · 5 Nov 2022
  11. Common carp varietiesFlood Relief 3River Kennet 3Latest evidence 16 Apr 2009 · 22 Oct 2015

Only in the Flood Relief survey set

  1. Tench varieties9 sites · latest 16 Apr 2009

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Pike47 sites · latest 9 Oct 2025
  3. Gudgeon31 sites · latest 1 Oct 2025
  4. Grayling21 sites · latest 9 Oct 2025
  5. Atlantic salmon14 sites · latest 25 Oct 2010
  6. Tench13 sites · latest 13 Nov 2024
  7. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  8. Bullhead11 sites · latest 14 Oct 2025
  9. Minnow11 sites · latest 14 Oct 2025
  10. Rainbow trout8 sites · latest 8 Oct 2024
  11. Stone loach8 sites · latest 8 Oct 2025
  12. Brook lamprey7 sites · latest 14 Oct 2025
  13. Common [wild] carp5 sites · latest 24 Oct 2018
  14. European eels > elvers5 sites · latest 10 Oct 2025
  15. 3-spined stickleback4 sites · latest 14 Oct 2025
  16. Mirror carp4 sites · latest 4 Nov 2008
  17. Rudd3 sites · latest 4 Nov 2022
  18. Silver bream3 sites · latest 4 Nov 2022
  19. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  20. 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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