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 Upper (East Anglia)

Survey sites
12
Survey events
103
Recorded taxa
21
Evidence period
10 Apr 1984 – 16 Jun 2026
Sites latest within 2 years
3
Sites latest over 10 years ago
6
EA waterbody IDs
GB105037041260 · 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

16 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 Upper (East Anglia) 11River Kennet 47Latest evidence 11 Jun 2026 · 9 Oct 2025
  2. DaceRiver Colne Upper (East Anglia) 11River Kennet 41Latest evidence 16 Jun 2026 · 9 Oct 2025
  3. ChubRiver Colne Upper (East Anglia) 9River Kennet 41Latest evidence 16 Jun 2026 · 9 Oct 2025
  4. PerchRiver Colne Upper (East Anglia) 11River Kennet 38Latest evidence 3 Jun 2026 · 9 Oct 2025
  5. RoachRiver Colne Upper (East Anglia) 11River Kennet 36Latest evidence 16 Jun 2026 · 8 Oct 2025
  6. GudgeonRiver Colne Upper (East Anglia) 9River Kennet 31Latest evidence 16 Jun 2026 · 1 Oct 2025
  7. Common breamRiver Colne Upper (East Anglia) 10River Kennet 19Latest evidence 9 Jun 2008 · 25 Sept 2025
  8. Roach x common bream hybridRiver Colne Upper (East Anglia) 11River Kennet 12Latest evidence 1 Jul 2005 · 25 Oct 2018
  9. BullheadRiver Colne Upper (East Anglia) 8River Kennet 11Latest evidence 16 Jun 2026 · 14 Oct 2025
  10. Stone loachRiver Colne Upper (East Anglia) 9River Kennet 8Latest evidence 16 Jun 2026 · 8 Oct 2025
  11. European eels > elversRiver Colne Upper (East Anglia) 11River Kennet 5Latest evidence 16 Jun 2026 · 10 Oct 2025
  12. MinnowRiver Colne Upper (East Anglia) 3River Kennet 11Latest evidence 16 Jun 2026 · 14 Oct 2025
  13. TenchRiver Colne Upper (East Anglia) 1River Kennet 13Latest evidence 10 Sept 1987 · 13 Nov 2024
  14. 3-spined sticklebackRiver Colne Upper (East Anglia) 8River Kennet 4Latest evidence 16 Jun 2026 · 14 Oct 2025
  15. RuddRiver Colne Upper (East Anglia) 7River Kennet 3Latest evidence 8 Jun 2017 · 4 Nov 2022
  16. Mirror carpRiver Colne Upper (East Anglia) 1River Kennet 4Latest evidence 16 Jul 2002 · 4 Nov 2008

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

  1. Roach x rudd hybrid6 sites · latest 13 Jun 2017
  2. 10-spined stickleback3 sites · latest 16 Jun 2026
  3. Crucian carp2 sites · latest 4 May 1984
  4. Feral [brown] goldfish1 site · latest 29 Nov 1990
  5. Rudd x common bream hybrid1 site · latest 13 Sept 1993

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Bleak27 sites · latest 25 Sept 2025
  3. Barbel22 sites · latest 25 Sept 2025
  4. Grayling21 sites · latest 9 Oct 2025
  5. Atlantic salmon14 sites · latest 25 Oct 2010
  6. European eel9 sites · latest 8 Nov 2013
  7. Ruffe9 sites · latest 5 Nov 2022
  8. Rainbow trout8 sites · latest 8 Oct 2024
  9. Brook lamprey7 sites · latest 14 Oct 2025
  10. Common [wild] carp5 sites · latest 24 Oct 2018
  11. Pike varieties5 sites · latest 1 Oct 2025
  12. Common carp varieties3 sites · latest 22 Oct 2015
  13. Silver bream3 sites · latest 4 Nov 2022
  14. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  15. 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