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

Glaven (East Anglia)

Survey sites
9
Survey events
81
Recorded taxa
28
Evidence period
11 Jan 1988 – 21 May 2026
Sites latest within 2 years
3
Sites latest over 10 years ago
3
EA waterbody IDs
GB105034055780
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

18 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. PikeGlaven (East Anglia) 9River Kennet 47Latest evidence 11 Jul 2023 · 9 Oct 2025
  2. Brown / sea troutGlaven (East Anglia) 8River Kennet 47Latest evidence 21 May 2026 · 14 Oct 2025
  3. PerchGlaven (East Anglia) 7River Kennet 38Latest evidence 29 Jul 2021 · 9 Oct 2025
  4. RoachGlaven (East Anglia) 6River Kennet 36Latest evidence 14 Jun 2017 · 8 Oct 2025
  5. GudgeonGlaven (East Anglia) 4River Kennet 31Latest evidence 14 Jun 2017 · 1 Oct 2025
  6. Common breamGlaven (East Anglia) 1River Kennet 19Latest evidence 16 May 2002 · 25 Sept 2025
  7. BullheadGlaven (East Anglia) 8River Kennet 11Latest evidence 21 May 2026 · 14 Oct 2025
  8. TenchGlaven (East Anglia) 4River Kennet 13Latest evidence 3 Jun 2014 · 13 Nov 2024
  9. Brook lampreyGlaven (East Anglia) 8River Kennet 7Latest evidence 1 Jun 2011 · 14 Oct 2025
  10. European eels > elversGlaven (East Anglia) 9River Kennet 5Latest evidence 21 May 2026 · 10 Oct 2025
  11. Stone loachGlaven (East Anglia) 6River Kennet 8Latest evidence 21 May 2026 · 8 Oct 2025
  12. European eelGlaven (East Anglia) 4River Kennet 9Latest evidence 9 Jun 2011 · 8 Nov 2013
  13. 3-spined sticklebackGlaven (East Anglia) 8River Kennet 4Latest evidence 21 May 2026 · 14 Oct 2025
  14. MinnowGlaven (East Anglia) 1River Kennet 11Latest evidence 8 Jun 2023 · 14 Oct 2025
  15. Rainbow troutGlaven (East Anglia) 1River Kennet 8Latest evidence 11 Jan 1988 · 8 Oct 2024
  16. Common [wild] carpGlaven (East Anglia) 1River Kennet 5Latest evidence 13 Jul 1999 · 24 Oct 2018
  17. RuddGlaven (East Anglia) 1River Kennet 3Latest evidence 20 May 2014 · 4 Nov 2022
  18. Brook lamprey > ammocoeteGlaven (East Anglia) 2River Kennet 1Latest evidence 17 May 2023 · 6 Oct 2023

Only in the Glaven (East Anglia) survey set

  1. Brook lamprey ammocoetes7 sites · latest 16 May 2025
  2. European elvers6 sites · latest 21 May 2026
  3. Lamprey sp. ammocoetes5 sites · latest 21 May 2008
  4. Lamprey sp.3 sites · latest 25 May 2012
  5. Flounder2 sites · latest 7 Jul 2017
  6. Lampetra sp. ammocoetes2 sites · latest 21 May 2026
  7. Lamprey sp. > ammocoete2 sites · latest 12 May 2008
  8. Koi carp1 site · latest 20 May 2008
  9. River lamprey1 site · latest 20 Mar 1991
  10. River lamprey > ammocoete1 site · latest 7 Jul 2017

Only in the River Kennet survey set

  1. Chub41 sites · latest 9 Oct 2025
  2. Dace41 sites · latest 9 Oct 2025
  3. Bleak27 sites · latest 25 Sept 2025
  4. Barbel22 sites · latest 25 Sept 2025
  5. Grayling21 sites · latest 9 Oct 2025
  6. Atlantic salmon14 sites · latest 25 Oct 2010
  7. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  8. Ruffe9 sites · latest 5 Nov 2022
  9. Pike varieties5 sites · latest 1 Oct 2025
  10. Mirror carp4 sites · latest 4 Nov 2008
  11. Common carp varieties3 sites · latest 22 Oct 2015
  12. Silver bream3 sites · latest 4 Nov 2022
  13. 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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