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) tributaries

Survey sites
19
Survey events
52
Recorded taxa
17
Evidence period
10 Sept 1997 – 30 Sept 2024
Sites latest within 2 years
0
Sites latest over 10 years ago
11
EA waterbody IDs
GB104027063430 · GB104027063510 · GB104027063550 · GB104027063570 · +10 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

15 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) tributaries 16River Kennet 47Latest evidence 30 Sept 2024 · 14 Oct 2025
  2. PikeRiver Derwent (Yorkshire) tributaries 3River Kennet 47Latest evidence 25 Jul 2012 · 9 Oct 2025
  3. DaceRiver Derwent (Yorkshire) tributaries 4River Kennet 41Latest evidence 25 Jul 2012 · 9 Oct 2025
  4. ChubRiver Derwent (Yorkshire) tributaries 1River Kennet 41Latest evidence 25 Jul 2012 · 9 Oct 2025
  5. RoachRiver Derwent (Yorkshire) tributaries 2River Kennet 36Latest evidence 25 Jul 2012 · 8 Oct 2025
  6. GudgeonRiver Derwent (Yorkshire) tributaries 1River Kennet 31Latest evidence 13 Sept 2005 · 1 Oct 2025
  7. BleakRiver Derwent (Yorkshire) tributaries 1River Kennet 27Latest evidence 25 Jul 2012 · 25 Sept 2025
  8. GraylingRiver Derwent (Yorkshire) tributaries 1River Kennet 21Latest evidence 1 Jul 2002 · 9 Oct 2025
  9. BullheadRiver Derwent (Yorkshire) tributaries 9River Kennet 11Latest evidence 30 Sept 2024 · 14 Oct 2025
  10. Common breamRiver Derwent (Yorkshire) tributaries 1River Kennet 19Latest evidence 25 Jul 2012 · 25 Sept 2025
  11. TenchRiver Derwent (Yorkshire) tributaries 1River Kennet 13Latest evidence 3 Jul 2002 · 13 Nov 2024
  12. MinnowRiver Derwent (Yorkshire) tributaries 1River Kennet 11Latest evidence 29 Aug 2012 · 14 Oct 2025
  13. Stone loachRiver Derwent (Yorkshire) tributaries 3River Kennet 8Latest evidence 30 Sept 2024 · 8 Oct 2025
  14. 3-spined sticklebackRiver Derwent (Yorkshire) tributaries 1River Kennet 4Latest evidence 19 Sept 2012 · 14 Oct 2025
  15. RuddRiver Derwent (Yorkshire) tributaries 1River Kennet 3Latest evidence 5 Jul 2006 · 4 Nov 2022

Only in the River Derwent (Yorkshire) tributaries survey set

  1. Lampetra sp. ammocoetes6 sites · latest 16 Aug 2018
  2. Lampetra sp.2 sites · latest 19 Sept 2024

Only in the River Kennet survey set

  1. Perch38 sites · latest 9 Oct 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. European eel9 sites · latest 8 Nov 2013
  6. Ruffe9 sites · latest 5 Nov 2022
  7. Rainbow trout8 sites · latest 8 Oct 2024
  8. Brook lamprey7 sites · latest 14 Oct 2025
  9. Common [wild] carp5 sites · latest 24 Oct 2018
  10. European eels > elvers5 sites · latest 10 Oct 2025
  11. Pike varieties5 sites · latest 1 Oct 2025
  12. Mirror carp4 sites · latest 4 Nov 2008
  13. Common carp varieties3 sites · latest 22 Oct 2015
  14. Silver bream3 sites · latest 4 Nov 2022
  15. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  16. 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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