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

River Nadder

Survey sites
26
Survey events
104
Recorded taxa
20
Evidence period
19 Jun 2003 – 30 Jul 2025
Sites latest within 2 years
2
Sites latest over 10 years ago
9
EA waterbody IDs
GB108043015880 · GB108043016200 · GB108043022470
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

17 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 troutRiver Nadder 26River Kennet 47Latest evidence 30 Jul 2025 · 14 Oct 2025
  2. ChubRiver Nadder 18River Kennet 41Latest evidence 19 Oct 2022 · 9 Oct 2025
  3. DaceRiver Nadder 18River Kennet 41Latest evidence 24 Jul 2024 · 9 Oct 2025
  4. RoachRiver Nadder 13River Kennet 36Latest evidence 23 Aug 2023 · 8 Oct 2025
  5. PikeRiver Nadder 1River Kennet 47Latest evidence 19 Sept 2024 · 9 Oct 2025
  6. GudgeonRiver Nadder 11River Kennet 31Latest evidence 8 Aug 2019 · 1 Oct 2025
  7. PerchRiver Nadder 2River Kennet 38Latest evidence 20 Oct 2016 · 9 Oct 2025
  8. GraylingRiver Nadder 16River Kennet 21Latest evidence 30 Jul 2025 · 9 Oct 2025
  9. Atlantic salmonRiver Nadder 22River Kennet 14Latest evidence 30 Jul 2025 · 25 Oct 2010
  10. BullheadRiver Nadder 15River Kennet 11Latest evidence 24 Jul 2024 · 14 Oct 2025
  11. European eels > elversRiver Nadder 20River Kennet 5Latest evidence 19 Sept 2024 · 10 Oct 2025
  12. MinnowRiver Nadder 14River Kennet 11Latest evidence 26 Jun 2025 · 14 Oct 2025
  13. Stone loachRiver Nadder 13River Kennet 8Latest evidence 24 Jul 2024 · 8 Oct 2025
  14. European eelRiver Nadder 1River Kennet 9Latest evidence 26 Sept 2007 · 8 Nov 2013
  15. Brook lampreyRiver Nadder 1River Kennet 7Latest evidence 27 Sept 2011 · 14 Oct 2025
  16. 3-spined sticklebackRiver Nadder 3River Kennet 4Latest evidence 26 Jun 2023 · 14 Oct 2025
  17. RuddRiver Nadder 1River Kennet 3Latest evidence 29 Jun 2004 · 4 Nov 2022

Only in the River Nadder survey set

  1. Lamprey sp.3 sites · latest 27 Oct 2015
  2. Lampetra sp.1 site · latest 24 Aug 2022
  3. Roach x rudd hybrid1 site · latest 29 Jun 2004

Only in the River Kennet survey set

  1. Bleak27 sites · latest 25 Sept 2025
  2. Barbel22 sites · latest 25 Sept 2025
  3. Common bream19 sites · latest 25 Sept 2025
  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. Rainbow trout8 sites · latest 8 Oct 2024
  8. Common [wild] carp5 sites · latest 24 Oct 2018
  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. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  14. 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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