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.

Yorkshire

River Derwent (Yorkshire)

Survey sites
24
Survey events
253
Recorded taxa
32
Evidence period
18 Sept 1984 – 4 Sept 2025
Sites latest within 2 years
2
Sites latest over 10 years ago
13
EA waterbody IDs
GB104027067930 · GB104027067970 · GB104027068311 · GB104027068312 · +2 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

25 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 Derwent (Yorkshire) 16River Kennet 47Latest evidence 3 Sept 2024 · 14 Oct 2025
  2. PikeRiver Derwent (Yorkshire) 12River Kennet 47Latest evidence 31 Jul 2024 · 9 Oct 2025
  3. DaceRiver Derwent (Yorkshire) 17River Kennet 41Latest evidence 11 Aug 2025 · 9 Oct 2025
  4. PerchRiver Derwent (Yorkshire) 16River Kennet 38Latest evidence 11 Aug 2025 · 9 Oct 2025
  5. ChubRiver Derwent (Yorkshire) 13River Kennet 41Latest evidence 11 Aug 2025 · 9 Oct 2025
  6. RoachRiver Derwent (Yorkshire) 16River Kennet 36Latest evidence 19 Aug 2024 · 8 Oct 2025
  7. GudgeonRiver Derwent (Yorkshire) 15River Kennet 31Latest evidence 11 Aug 2025 · 1 Oct 2025
  8. BleakRiver Derwent (Yorkshire) 9River Kennet 27Latest evidence 19 Aug 2024 · 25 Sept 2025
  9. GraylingRiver Derwent (Yorkshire) 14River Kennet 21Latest evidence 17 Aug 2022 · 9 Oct 2025
  10. BarbelRiver Derwent (Yorkshire) 7River Kennet 22Latest evidence 16 Jul 2018 · 25 Sept 2025
  11. MinnowRiver Derwent (Yorkshire) 15River Kennet 11Latest evidence 11 Aug 2025 · 14 Oct 2025
  12. BullheadRiver Derwent (Yorkshire) 14River Kennet 11Latest evidence 11 Aug 2025 · 14 Oct 2025
  13. Common breamRiver Derwent (Yorkshire) 6River Kennet 19Latest evidence 10 Aug 2018 · 25 Sept 2025
  14. RuffeRiver Derwent (Yorkshire) 11River Kennet 9Latest evidence 30 Jul 2024 · 5 Nov 2022
  15. Stone loachRiver Derwent (Yorkshire) 10River Kennet 8Latest evidence 3 Sept 2024 · 8 Oct 2025
  16. Atlantic salmonRiver Derwent (Yorkshire) 3River Kennet 14Latest evidence 21 Jun 2016 · 25 Oct 2010
  17. European eels > elversRiver Derwent (Yorkshire) 10River Kennet 5Latest evidence 24 Aug 2021 · 10 Oct 2025
  18. TenchRiver Derwent (Yorkshire) 1River Kennet 13Latest evidence 23 Sept 1997 · 13 Nov 2024
  19. Pike varietiesRiver Derwent (Yorkshire) 8River Kennet 5Latest evidence 19 Oct 2008 · 1 Oct 2025
  20. Roach x common bream hybridRiver Derwent (Yorkshire) 1River Kennet 12Latest evidence 18 Sept 1995 · 25 Oct 2018
  21. Rainbow troutRiver Derwent (Yorkshire) 4River Kennet 8Latest evidence 28 Jun 2018 · 8 Oct 2024
  22. European eelRiver Derwent (Yorkshire) 3River Kennet 9Latest evidence 11 Sept 2014 · 8 Nov 2013
  23. 3-spined sticklebackRiver Derwent (Yorkshire) 7River Kennet 4Latest evidence 11 Aug 2025 · 14 Oct 2025
  24. RuddRiver Derwent (Yorkshire) 3River Kennet 3Latest evidence 2 Sept 2002 · 4 Nov 2022
  25. Silver breamRiver Derwent (Yorkshire) 3River Kennet 3Latest evidence 19 Aug 2024 · 4 Nov 2022

Only in the River Derwent (Yorkshire) survey set

  1. 10-spined stickleback5 sites · latest 14 Jul 2015
  2. Flounder4 sites · latest 21 Jul 2015
  3. Rudd varieties3 sites · latest 12 Sept 2007
  4. Lampetra sp.2 sites · latest 11 Sept 2014
  5. Lampetra sp. ammocoetes2 sites · latest 24 Aug 2021
  6. Lamprey sp.1 site · latest 11 Sept 2014
  7. River lamprey1 site · latest 6 Sept 2002

Only in the River Kennet survey set

  1. Brook lamprey7 sites · latest 14 Oct 2025
  2. Common [wild] carp5 sites · latest 24 Oct 2018
  3. Mirror carp4 sites · latest 4 Nov 2008
  4. Common carp varieties3 sites · latest 22 Oct 2015
  5. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  6. 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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