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.

Hertfordshire and North London

Rib

Survey sites
7
Survey events
49
Recorded taxa
23
Evidence period
22 Oct 2003 – 2 Oct 2025
Sites latest within 2 years
2
Sites latest over 10 years ago
1
EA waterbody IDs
GB106038033360 · GB106038040140
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 troutRib 7River Kennet 47Latest evidence 2 Oct 2025 · 14 Oct 2025
  2. PikeRib 4River Kennet 47Latest evidence 28 Aug 2025 · 9 Oct 2025
  3. ChubRib 4River Kennet 41Latest evidence 28 Aug 2025 · 9 Oct 2025
  4. DaceRib 4River Kennet 41Latest evidence 28 Aug 2025 · 9 Oct 2025
  5. RoachRib 5River Kennet 36Latest evidence 28 Aug 2025 · 8 Oct 2025
  6. PerchRib 3River Kennet 38Latest evidence 28 Aug 2025 · 9 Oct 2025
  7. GudgeonRib 3River Kennet 31Latest evidence 28 Aug 2025 · 1 Oct 2025
  8. BleakRib 1River Kennet 27Latest evidence 28 Aug 2025 · 25 Sept 2025
  9. GraylingRib 2River Kennet 21Latest evidence 21 Sept 2022 · 9 Oct 2025
  10. BarbelRib 1River Kennet 22Latest evidence 27 Jun 2023 · 25 Sept 2025
  11. Common breamRib 1River Kennet 19Latest evidence 21 Oct 2016 · 25 Sept 2025
  12. BullheadRib 3River Kennet 11Latest evidence 28 Aug 2025 · 14 Oct 2025
  13. MinnowRib 3River Kennet 11Latest evidence 28 Aug 2025 · 14 Oct 2025
  14. Stone loachRib 2River Kennet 8Latest evidence 28 Aug 2025 · 8 Oct 2025
  15. RuffeRib 1River Kennet 9Latest evidence 12 Sept 2023 · 5 Nov 2022
  16. Brook lampreyRib 2River Kennet 7Latest evidence 5 Sept 2024 · 14 Oct 2025
  17. Pike varietiesRib 2River Kennet 5Latest evidence 19 Aug 2010 · 1 Oct 2025
  18. Common [wild] carpRib 1River Kennet 5Latest evidence 27 Jun 2023 · 24 Oct 2018
  19. 3-spined sticklebackRib 1River Kennet 4Latest evidence 16 Sept 2014 · 14 Oct 2025
  20. Brook lamprey > ammocoeteRib 1River Kennet 1Latest evidence 3 Oct 2019 · 6 Oct 2023

Only in the Rib survey set

  1. Lamprey sp.2 sites · latest 6 Sept 2013
  2. Brook lamprey ammocoetes1 site · latest 17 Oct 2017
  3. Rudd varieties1 site · latest 30 Sept 2008

Only in the River Kennet survey set

  1. Atlantic salmon14 sites · latest 25 Oct 2010
  2. Tench13 sites · latest 13 Nov 2024
  3. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  4. European eel9 sites · latest 8 Nov 2013
  5. Rainbow trout8 sites · latest 8 Oct 2024
  6. European eels > elvers5 sites · latest 10 Oct 2025
  7. Mirror carp4 sites · latest 4 Nov 2008
  8. Common carp varieties3 sites · latest 22 Oct 2015
  9. Rudd3 sites · latest 4 Nov 2022
  10. Silver bream3 sites · latest 4 Nov 2022
  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 ↗