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

Piall

Survey sites
8
Survey events
29
Recorded taxa
9
Evidence period
8 Aug 2002 – 31 Jul 2025
Sites latest within 2 years
2
Sites latest over 10 years ago
4
EA waterbody IDs
GB108047004020
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

7 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 troutPiall 8River Kennet 47Latest evidence 31 Jul 2025 · 14 Oct 2025
  2. Atlantic salmonPiall 2River Kennet 14Latest evidence 31 Jul 2025 · 25 Oct 2010
  3. BullheadPiall 4River Kennet 11Latest evidence 31 Jul 2025 · 14 Oct 2025
  4. European eelPiall 2River Kennet 9Latest evidence 22 Aug 2012 · 8 Nov 2013
  5. European eels > elversPiall 5River Kennet 5Latest evidence 31 Jul 2025 · 10 Oct 2025
  6. Brook lampreyPiall 1River Kennet 7Latest evidence 8 Sept 2010 · 14 Oct 2025
  7. Brook lamprey > ammocoetePiall 1River Kennet 1Latest evidence 14 Jul 2014 · 6 Oct 2023

Only in the Piall survey set

  1. Brook lamprey ammocoetes1 site · latest 31 Jul 2025
  2. European elvers1 site · latest 31 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. Roach36 sites · latest 8 Oct 2025
  6. Gudgeon31 sites · latest 1 Oct 2025
  7. Bleak27 sites · latest 25 Sept 2025
  8. Barbel22 sites · latest 25 Sept 2025
  9. Grayling21 sites · latest 9 Oct 2025
  10. Common bream19 sites · latest 25 Sept 2025
  11. Tench13 sites · latest 13 Nov 2024
  12. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  13. Minnow11 sites · latest 14 Oct 2025
  14. Ruffe9 sites · latest 5 Nov 2022
  15. Rainbow trout8 sites · latest 8 Oct 2024
  16. Stone loach8 sites · latest 8 Oct 2025
  17. Common [wild] carp5 sites · latest 24 Oct 2018
  18. Pike varieties5 sites · latest 1 Oct 2025
  19. 3-spined stickleback4 sites · latest 14 Oct 2025
  20. Mirror carp4 sites · latest 4 Nov 2008
  21. Common carp varieties3 sites · latest 22 Oct 2015
  22. Rudd3 sites · latest 4 Nov 2022
  23. Silver bream3 sites · latest 4 Nov 2022
  24. 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