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.

Wessex

Main River Isle

Survey sites
15
Survey events
69
Recorded taxa
25
Evidence period
14 May 1992 – 30 Jun 2022
Sites latest within 2 years
0
Sites latest over 10 years ago
11
EA waterbody IDs
GB108052015160 · GB108052015190 · GB108052015220 · GB108052015250
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

20 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 troutMain River Isle 10River Kennet 47Latest evidence 30 Jun 2022 · 14 Oct 2025
  2. PikeMain River Isle 8River Kennet 47Latest evidence 23 Jun 2022 · 9 Oct 2025
  3. ChubMain River Isle 11River Kennet 41Latest evidence 23 Jun 2022 · 9 Oct 2025
  4. DaceMain River Isle 11River Kennet 41Latest evidence 16 Jun 2022 · 9 Oct 2025
  5. RoachMain River Isle 11River Kennet 36Latest evidence 23 Jun 2022 · 8 Oct 2025
  6. PerchMain River Isle 9River Kennet 38Latest evidence 30 Jun 2022 · 9 Oct 2025
  7. GudgeonMain River Isle 10River Kennet 31Latest evidence 16 Jun 2022 · 1 Oct 2025
  8. Common breamMain River Isle 5River Kennet 19Latest evidence 23 Jun 2022 · 25 Sept 2025
  9. European eelMain River Isle 13River Kennet 9Latest evidence 25 Jul 2013 · 8 Nov 2013
  10. MinnowMain River Isle 11River Kennet 11Latest evidence 30 Jun 2022 · 14 Oct 2025
  11. BullheadMain River Isle 10River Kennet 11Latest evidence 30 Jun 2022 · 14 Oct 2025
  12. Stone loachMain River Isle 11River Kennet 8Latest evidence 30 Jun 2022 · 8 Oct 2025
  13. TenchMain River Isle 1River Kennet 13Latest evidence 12 May 2003 · 13 Nov 2024
  14. Roach x common bream hybridMain River Isle 1River Kennet 12Latest evidence 11 Jul 2007 · 25 Oct 2018
  15. 3-spined sticklebackMain River Isle 8River Kennet 4Latest evidence 30 Jun 2022 · 14 Oct 2025
  16. European eels > elversMain River Isle 7River Kennet 5Latest evidence 30 Jun 2022 · 10 Oct 2025
  17. Rainbow troutMain River Isle 2River Kennet 8Latest evidence 17 Jul 1997 · 8 Oct 2024
  18. RuffeMain River Isle 1River Kennet 9Latest evidence 22 Apr 1997 · 5 Nov 2022
  19. RuddMain River Isle 3River Kennet 3Latest evidence 23 Jun 2022 · 4 Nov 2022
  20. Silver breamMain River Isle 1River Kennet 3Latest evidence 23 Jun 2022 · 4 Nov 2022

Only in the Main River Isle survey set

  1. European elvers4 sites · latest 20 Jul 2007
  2. Lampetra sp.2 sites · latest 30 Jun 2022
  3. Lamprey sp.1 site · latest 2 Jun 2006
  4. Lamprey sp. ammocoetes1 site · latest 16 Jun 2022
  5. Motherless minnow / Sunbleak1 site · latest 23 Jun 2022

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. Brook lamprey7 sites · latest 14 Oct 2025
  6. Common [wild] carp5 sites · latest 24 Oct 2018
  7. Pike varieties5 sites · latest 1 Oct 2025
  8. Mirror carp4 sites · latest 4 Nov 2008
  9. Common carp varieties3 sites · latest 22 Oct 2015
  10. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  11. 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
Open the source dataset ↗Check live rules ↗