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.

Devon and Cornwall and the Isles of Scilly

Main Haddeo

Survey sites
12
Survey events
106
Recorded taxa
14
Evidence period
5 Aug 1997 – 1 Jul 2025
Sites latest within 2 years
2
Sites latest over 10 years ago
8
EA waterbody IDs
GB108045015090 · GB108045020900
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. Brown / sea troutMain Haddeo 12River Kennet 47Latest evidence 1 Jul 2025 · 14 Oct 2025
  2. RoachMain Haddeo 1River Kennet 36Latest evidence 13 Jul 2022 · 8 Oct 2025
  3. Atlantic salmonMain Haddeo 11River Kennet 14Latest evidence 1 Jul 2025 · 25 Oct 2010
  4. GraylingMain Haddeo 4River Kennet 21Latest evidence 13 Jul 2022 · 9 Oct 2025
  5. BullheadMain Haddeo 6River Kennet 11Latest evidence 1 Jul 2025 · 14 Oct 2025
  6. MinnowMain Haddeo 4River Kennet 11Latest evidence 1 Jul 2025 · 14 Oct 2025
  7. Stone loachMain Haddeo 5River Kennet 8Latest evidence 1 Jul 2025 · 8 Oct 2025
  8. European eelMain Haddeo 4River Kennet 9Latest evidence 24 Aug 2015 · 8 Nov 2013
  9. European eels > elversMain Haddeo 5River Kennet 5Latest evidence 1 Jul 2025 · 10 Oct 2025
  10. Rainbow troutMain Haddeo 2River Kennet 8Latest evidence 17 Jul 2007 · 8 Oct 2024
  11. 3-spined sticklebackMain Haddeo 3River Kennet 4Latest evidence 31 Jul 2015 · 14 Oct 2025

Only in the Main Haddeo survey set

  1. Lamprey sp.5 sites · latest 31 Jul 2023
  2. Lampetra sp.2 sites · latest 19 Aug 2021
  3. Lamprey sp. ammocoetes2 sites · latest 1 Jul 2025

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. Common bream19 sites · latest 25 Sept 2025
  9. Tench13 sites · latest 13 Nov 2024
  10. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  11. Ruffe9 sites · latest 5 Nov 2022
  12. Brook lamprey7 sites · latest 14 Oct 2025
  13. Common [wild] carp5 sites · latest 24 Oct 2018
  14. Pike varieties5 sites · latest 1 Oct 2025
  15. Mirror carp4 sites · latest 4 Nov 2008
  16. Common carp varieties3 sites · latest 22 Oct 2015
  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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