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.

East Anglia

River Colne Lower (East Anglia)

Survey sites
21
Survey events
243
Recorded taxa
27
Evidence period
13 Apr 1984 – 2 Jun 2026
Sites latest within 2 years
5
Sites latest over 10 years ago
12
EA waterbody IDs
GB105037041330
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

19 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. PikeRiver Colne Lower (East Anglia) 18River Kennet 47Latest evidence 14 May 2026 · 9 Oct 2025
  2. DaceRiver Colne Lower (East Anglia) 19River Kennet 41Latest evidence 2 Jun 2026 · 9 Oct 2025
  3. ChubRiver Colne Lower (East Anglia) 18River Kennet 41Latest evidence 2 Jun 2026 · 9 Oct 2025
  4. RoachRiver Colne Lower (East Anglia) 20River Kennet 36Latest evidence 2 Jun 2026 · 8 Oct 2025
  5. PerchRiver Colne Lower (East Anglia) 18River Kennet 38Latest evidence 14 May 2026 · 9 Oct 2025
  6. GudgeonRiver Colne Lower (East Anglia) 21River Kennet 31Latest evidence 2 Jun 2026 · 1 Oct 2025
  7. Brown / sea troutRiver Colne Lower (East Anglia) 4River Kennet 47Latest evidence 17 May 2011 · 14 Oct 2025
  8. Common breamRiver Colne Lower (East Anglia) 17River Kennet 19Latest evidence 30 May 2023 · 25 Sept 2025
  9. MinnowRiver Colne Lower (East Anglia) 17River Kennet 11Latest evidence 2 Jun 2026 · 14 Oct 2025
  10. Stone loachRiver Colne Lower (East Anglia) 19River Kennet 8Latest evidence 2 Jun 2026 · 8 Oct 2025
  11. TenchRiver Colne Lower (East Anglia) 14River Kennet 13Latest evidence 7 Jun 2023 · 13 Nov 2024
  12. BullheadRiver Colne Lower (East Anglia) 15River Kennet 11Latest evidence 2 Jun 2026 · 14 Oct 2025
  13. European eels > elversRiver Colne Lower (East Anglia) 20River Kennet 5Latest evidence 2 Jun 2026 · 10 Oct 2025
  14. Roach x common bream hybridRiver Colne Lower (East Anglia) 13River Kennet 12Latest evidence 6 May 2010 · 25 Oct 2018
  15. 3-spined sticklebackRiver Colne Lower (East Anglia) 18River Kennet 4Latest evidence 2 Jun 2026 · 14 Oct 2025
  16. RuddRiver Colne Lower (East Anglia) 15River Kennet 3Latest evidence 2 Jun 2026 · 4 Nov 2022
  17. Common [wild] carpRiver Colne Lower (East Anglia) 9River Kennet 5Latest evidence 4 May 2006 · 24 Oct 2018
  18. Mirror carpRiver Colne Lower (East Anglia) 6River Kennet 4Latest evidence 29 Apr 2005 · 4 Nov 2008
  19. Golden goldfishRiver Colne Lower (East Anglia) 1River Kennet 1Latest evidence 20 Apr 2007 · 12 Nov 2009

Only in the River Colne Lower (East Anglia) survey set

  1. Roach x rudd hybrid5 sites · latest 14 Jun 2017
  2. Roach x chub hybrid4 sites · latest 24 May 2023
  3. Lamprey sp. > ammocoete2 sites · latest 20 May 2008
  4. 10-spined stickleback1 site · latest 14 May 2014
  5. Crucian carp1 site · latest 28 Jul 1987
  6. European elvers1 site · latest 5 Jun 2017
  7. Feral [brown] goldfish1 site · latest 28 Jul 1987
  8. Koi carp1 site · latest 29 Apr 2005

Only in the River Kennet survey set

  1. Bleak27 sites · latest 25 Sept 2025
  2. Barbel22 sites · latest 25 Sept 2025
  3. Grayling21 sites · latest 9 Oct 2025
  4. Atlantic salmon14 sites · latest 25 Oct 2010
  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. Pike varieties5 sites · latest 1 Oct 2025
  10. Common carp varieties3 sites · latest 22 Oct 2015
  11. Silver bream3 sites · latest 4 Nov 2022
  12. Brook lamprey > ammocoete1 site · latest 6 Oct 2023

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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