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 Marden

Survey sites
8
Survey events
22
Recorded taxa
16
Evidence period
14 Oct 1997 – 28 Jul 2022
Sites latest within 2 years
0
Sites latest over 10 years ago
6
EA waterbody IDs
GB109053022050 · GB109053022060 · GB109053022070 · GB109053027610
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 troutMain River Marden 6River Kennet 47Latest evidence 28 Jul 2022 · 14 Oct 2025
  2. PikeMain River Marden 1River Kennet 47Latest evidence 19 Jul 2006 · 9 Oct 2025
  3. DaceMain River Marden 5River Kennet 41Latest evidence 11 Oct 2016 · 9 Oct 2025
  4. ChubMain River Marden 4River Kennet 41Latest evidence 19 May 2011 · 9 Oct 2025
  5. RoachMain River Marden 6River Kennet 36Latest evidence 19 May 2011 · 8 Oct 2025
  6. PerchMain River Marden 4River Kennet 38Latest evidence 11 Oct 2016 · 9 Oct 2025
  7. GudgeonMain River Marden 5River Kennet 31Latest evidence 19 May 2011 · 1 Oct 2025
  8. BleakMain River Marden 1River Kennet 27Latest evidence 19 Jul 2006 · 25 Sept 2025
  9. BarbelMain River Marden 4River Kennet 22Latest evidence 19 May 2011 · 25 Sept 2025
  10. BullheadMain River Marden 3River Kennet 11Latest evidence 28 Jul 2022 · 14 Oct 2025
  11. MinnowMain River Marden 2River Kennet 11Latest evidence 28 Jul 2022 · 14 Oct 2025
  12. European eelMain River Marden 2River Kennet 9Latest evidence 18 Aug 2004 · 8 Nov 2013
  13. Stone loachMain River Marden 2River Kennet 8Latest evidence 28 Jul 2022 · 8 Oct 2025
  14. Rainbow troutMain River Marden 1River Kennet 8Latest evidence 23 Apr 1998 · 8 Oct 2024
  15. 3-spined sticklebackMain River Marden 2River Kennet 4Latest evidence 11 Jul 2017 · 14 Oct 2025

Only in the Main River Marden survey set

  1. Feral [brown] goldfish1 site · latest 11 Oct 2016

Only in the River Kennet survey set

  1. Grayling21 sites · latest 9 Oct 2025
  2. Common bream19 sites · latest 25 Sept 2025
  3. Atlantic salmon14 sites · latest 25 Oct 2010
  4. Tench13 sites · latest 13 Nov 2024
  5. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  6. Ruffe9 sites · latest 5 Nov 2022
  7. Brook lamprey7 sites · latest 14 Oct 2025
  8. Common [wild] carp5 sites · latest 24 Oct 2018
  9. European eels > elvers5 sites · latest 10 Oct 2025
  10. Pike varieties5 sites · latest 1 Oct 2025
  11. Mirror carp4 sites · latest 4 Nov 2008
  12. Common carp varieties3 sites · latest 22 Oct 2015
  13. Rudd3 sites · latest 4 Nov 2022
  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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