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.

Lincolnshire and Northamptonshire

Gwash

Survey sites
17
Survey events
95
Recorded taxa
25
Evidence period
12 Mar 1990 – 17 Aug 2023
Sites latest within 2 years
0
Sites latest over 10 years ago
12
EA waterbody IDs
GB105031050470 · GB105031050610
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

20 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 troutGwash 17River Kennet 47Latest evidence 17 Aug 2023 · 14 Oct 2025
  2. DaceGwash 12River Kennet 41Latest evidence 17 Aug 2023 · 9 Oct 2025
  3. PikeGwash 5River Kennet 47Latest evidence 17 Aug 2023 · 9 Oct 2025
  4. ChubGwash 7River Kennet 41Latest evidence 17 Aug 2023 · 9 Oct 2025
  5. RoachGwash 10River Kennet 36Latest evidence 17 Aug 2023 · 8 Oct 2025
  6. PerchGwash 8River Kennet 38Latest evidence 20 Jul 2017 · 9 Oct 2025
  7. GraylingGwash 12River Kennet 21Latest evidence 17 Aug 2023 · 9 Oct 2025
  8. GudgeonGwash 2River Kennet 31Latest evidence 27 Mar 1996 · 1 Oct 2025
  9. Common breamGwash 8River Kennet 19Latest evidence 27 Mar 1996 · 25 Sept 2025
  10. European eels > elversGwash 17River Kennet 5Latest evidence 17 Aug 2023 · 10 Oct 2025
  11. BullheadGwash 11River Kennet 11Latest evidence 17 Aug 2023 · 14 Oct 2025
  12. TenchGwash 2River Kennet 13Latest evidence 3 Jun 2015 · 13 Nov 2024
  13. Rainbow troutGwash 5River Kennet 8Latest evidence 5 Jul 2023 · 8 Oct 2024
  14. MinnowGwash 2River Kennet 11Latest evidence 29 Sept 2016 · 14 Oct 2025
  15. European eelGwash 1River Kennet 9Latest evidence 12 Sept 2013 · 8 Nov 2013
  16. Stone loachGwash 1River Kennet 8Latest evidence 10 Jun 2014 · 8 Oct 2025
  17. Brook lampreyGwash 1River Kennet 7Latest evidence 9 Mar 1993 · 14 Oct 2025
  18. 3-spined sticklebackGwash 3River Kennet 4Latest evidence 5 Jul 2023 · 14 Oct 2025
  19. Common [wild] carpGwash 1River Kennet 5Latest evidence 9 Mar 1993 · 24 Oct 2018
  20. RuddGwash 2River Kennet 3Latest evidence 11 Sept 2018 · 4 Nov 2022

Only in the Gwash survey set

  1. Lampetra sp.6 sites · latest 18 Jun 2015
  2. River lamprey2 sites · latest 28 Mar 1996
  3. Lampetra sp. > ammocoete1 site · latest 25 Jun 2013
  4. Lamprey sp.1 site · latest 16 Jun 2015
  5. Lamprey sp. > ammocoete1 site · latest 4 Jun 2014

Only in the River Kennet survey set

  1. Bleak27 sites · latest 25 Sept 2025
  2. Barbel22 sites · latest 25 Sept 2025
  3. Atlantic salmon14 sites · latest 25 Oct 2010
  4. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  5. Ruffe9 sites · latest 5 Nov 2022
  6. Pike varieties5 sites · latest 1 Oct 2025
  7. Mirror carp4 sites · latest 4 Nov 2008
  8. Common carp varieties3 sites · latest 22 Oct 2015
  9. Silver bream3 sites · latest 4 Nov 2022
  10. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  11. 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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