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.

North East

River Aln

Survey sites
39
Survey events
253
Recorded taxa
15
Evidence period
20 Sept 1993 – 23 Jun 2026
Sites latest within 2 years
4
Sites latest over 10 years ago
11
EA waterbody IDs
GB103022076250 · GB103022076260 · GB103022076270 · GB103022076280 · +6 more
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

8 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 troutRiver Aln 39River Kennet 47Latest evidence 23 Jun 2026 · 14 Oct 2025
  2. Atlantic salmonRiver Aln 30River Kennet 14Latest evidence 23 Jun 2026 · 25 Oct 2010
  3. European eelRiver Aln 25River Kennet 9Latest evidence 17 Jun 2025 · 8 Nov 2013
  4. Stone loachRiver Aln 23River Kennet 8Latest evidence 23 Jun 2026 · 8 Oct 2025
  5. MinnowRiver Aln 20River Kennet 11Latest evidence 23 Jun 2026 · 14 Oct 2025
  6. 3-spined sticklebackRiver Aln 17River Kennet 4Latest evidence 23 Jun 2026 · 14 Oct 2025
  7. European eels > elversRiver Aln 14River Kennet 5Latest evidence 23 Jun 2026 · 10 Oct 2025
  8. BullheadRiver Aln 1River Kennet 11Latest evidence 14 Sept 2012 · 14 Oct 2025

Only in the River Aln survey set

  1. Lamprey sp.22 sites · latest 17 Jun 2025
  2. River lamprey19 sites · latest 19 Sept 2012
  3. River lamprey > ammocoete7 sites · latest 11 Jul 2013
  4. Lampetra sp.4 sites · latest 23 Jun 2026
  5. Brown / sea trout x salmon hybrid1 site · latest 4 Aug 2017
  6. European elvers1 site · latest 4 Aug 2017
  7. Lamprey sp. ammocoetes1 site · latest 7 Oct 2013

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. Ruffe9 sites · latest 5 Nov 2022
  14. Rainbow trout8 sites · latest 8 Oct 2024
  15. Brook lamprey7 sites · latest 14 Oct 2025
  16. Common [wild] carp5 sites · latest 24 Oct 2018
  17. Pike varieties5 sites · latest 1 Oct 2025
  18. Mirror carp4 sites · latest 4 Nov 2008
  19. Common carp varieties3 sites · latest 22 Oct 2015
  20. Rudd3 sites · latest 4 Nov 2022
  21. Silver bream3 sites · latest 4 Nov 2022
  22. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  23. 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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