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

Gadder

Survey sites
3
Survey events
13
Recorded taxa
14
Evidence period
8 Feb 1990 – 2 May 2024
Sites latest within 2 years
0
Sites latest over 10 years ago
2
EA waterbody IDs
GB105033047880
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

14 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 troutGadder 2River Kennet 47Latest evidence 11 Mar 2015 · 14 Oct 2025
  2. PikeGadder 2River Kennet 47Latest evidence 2 May 2024 · 9 Oct 2025
  3. DaceGadder 2River Kennet 41Latest evidence 14 Jan 1993 · 9 Oct 2025
  4. ChubGadder 1River Kennet 41Latest evidence 9 Feb 1990 · 9 Oct 2025
  5. PerchGadder 2River Kennet 38Latest evidence 9 Feb 1990 · 9 Oct 2025
  6. GudgeonGadder 2River Kennet 31Latest evidence 6 Oct 2005 · 1 Oct 2025
  7. BullheadGadder 3River Kennet 11Latest evidence 2 May 2024 · 14 Oct 2025
  8. MinnowGadder 1River Kennet 11Latest evidence 9 Feb 2000 · 14 Oct 2025
  9. European eelGadder 1River Kennet 9Latest evidence 6 Oct 2005 · 8 Nov 2013
  10. Stone loachGadder 1River Kennet 8Latest evidence 6 Oct 2005 · 8 Oct 2025
  11. European eels > elversGadder 3River Kennet 5Latest evidence 2 May 2024 · 10 Oct 2025
  12. Brook lampreyGadder 1River Kennet 7Latest evidence 11 Mar 2015 · 14 Oct 2025
  13. 3-spined sticklebackGadder 1River Kennet 4Latest evidence 11 Oct 2011 · 14 Oct 2025
  14. RuddGadder 1River Kennet 3Latest evidence 12 Jan 1993 · 4 Nov 2022

Only in the Gadder survey set

No distinct positive taxon aggregate in this comparison.

Only in the River Kennet survey set

  1. Roach36 sites · latest 8 Oct 2025
  2. Bleak27 sites · latest 25 Sept 2025
  3. Barbel22 sites · latest 25 Sept 2025
  4. Grayling21 sites · latest 9 Oct 2025
  5. Common bream19 sites · latest 25 Sept 2025
  6. Atlantic salmon14 sites · latest 25 Oct 2010
  7. Tench13 sites · latest 13 Nov 2024
  8. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  9. Ruffe9 sites · latest 5 Nov 2022
  10. Rainbow trout8 sites · latest 8 Oct 2024
  11. Common [wild] carp5 sites · latest 24 Oct 2018
  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. Silver bream3 sites · latest 4 Nov 2022
  16. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  17. 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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