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.

Thames

Marlow - Cookham

Survey sites
4
Survey events
35
Recorded taxa
20
Evidence period
1 Sept 1995 – 27 Jul 2025
Sites latest within 2 years
1
Sites latest over 10 years ago
3
EA waterbody IDs
GB106039023233
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. PikeMarlow - Cookham 4River Kennet 47Latest evidence 27 Jul 2025 · 9 Oct 2025
  2. Brown / sea troutMarlow - Cookham 1River Kennet 47Latest evidence 1 Sept 2014 · 14 Oct 2025
  3. ChubMarlow - Cookham 4River Kennet 41Latest evidence 18 Jul 2024 · 9 Oct 2025
  4. DaceMarlow - Cookham 4River Kennet 41Latest evidence 27 Jul 2025 · 9 Oct 2025
  5. PerchMarlow - Cookham 4River Kennet 38Latest evidence 27 Jul 2025 · 9 Oct 2025
  6. RoachMarlow - Cookham 4River Kennet 36Latest evidence 27 Jul 2025 · 8 Oct 2025
  7. GudgeonMarlow - Cookham 4River Kennet 31Latest evidence 28 Jul 2023 · 1 Oct 2025
  8. BleakMarlow - Cookham 4River Kennet 27Latest evidence 27 Jul 2025 · 25 Sept 2025
  9. BarbelMarlow - Cookham 2River Kennet 22Latest evidence 3 Sept 2018 · 25 Sept 2025
  10. Common breamMarlow - Cookham 3River Kennet 19Latest evidence 7 Sept 2009 · 25 Sept 2025
  11. Atlantic salmonMarlow - Cookham 1River Kennet 14Latest evidence 1 Sept 2014 · 25 Oct 2010
  12. TenchMarlow - Cookham 1River Kennet 13Latest evidence 12 Sept 2019 · 13 Nov 2024
  13. Roach x common bream hybridMarlow - Cookham 1River Kennet 12Latest evidence 9 Sept 2002 · 25 Oct 2018
  14. RuffeMarlow - Cookham 2River Kennet 9Latest evidence 5 Sept 2011 · 5 Nov 2022
  15. European eelMarlow - Cookham 1River Kennet 9Latest evidence 28 Jul 2023 · 8 Nov 2013
  16. European eels > elversMarlow - Cookham 3River Kennet 5Latest evidence 27 Jul 2025 · 10 Oct 2025
  17. Common [wild] carpMarlow - Cookham 2River Kennet 5Latest evidence 7 Sept 2009 · 24 Oct 2018
  18. Mirror carpMarlow - Cookham 1River Kennet 4Latest evidence 31 Aug 2005 · 4 Nov 2008
  19. RuddMarlow - Cookham 1River Kennet 3Latest evidence 3 Sept 2018 · 4 Nov 2022
  20. Silver breamMarlow - Cookham 1River Kennet 3Latest evidence 7 Sept 2009 · 4 Nov 2022

Only in the Marlow - Cookham survey set

No distinct positive taxon aggregate in this comparison.

Only in the River Kennet survey set

  1. Grayling21 sites · latest 9 Oct 2025
  2. Bullhead11 sites · latest 14 Oct 2025
  3. Minnow11 sites · latest 14 Oct 2025
  4. Rainbow trout8 sites · latest 8 Oct 2024
  5. Stone loach8 sites · latest 8 Oct 2025
  6. Brook lamprey7 sites · latest 14 Oct 2025
  7. Pike varieties5 sites · latest 1 Oct 2025
  8. 3-spined stickleback4 sites · latest 14 Oct 2025
  9. Common carp varieties3 sites · latest 22 Oct 2015
  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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