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

Stort (Hertfordshire and North London)

Survey sites
7
Survey events
42
Recorded taxa
20
Evidence period
7 Oct 2003 – 19 Aug 2025
Sites latest within 2 years
1
Sites latest over 10 years ago
5
EA waterbody IDs
GB106038033280 · GB106038033340
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. PikeStort (Hertfordshire and North London) 3River Kennet 47Latest evidence 19 Aug 2025 · 9 Oct 2025
  2. ChubStort (Hertfordshire and North London) 7River Kennet 41Latest evidence 19 Aug 2025 · 9 Oct 2025
  3. DaceStort (Hertfordshire and North London) 7River Kennet 41Latest evidence 19 Aug 2025 · 9 Oct 2025
  4. Brown / sea troutStort (Hertfordshire and North London) 1River Kennet 47Latest evidence 19 Aug 2025 · 14 Oct 2025
  5. PerchStort (Hertfordshire and North London) 6River Kennet 38Latest evidence 19 Aug 2025 · 9 Oct 2025
  6. RoachStort (Hertfordshire and North London) 6River Kennet 36Latest evidence 19 Aug 2025 · 8 Oct 2025
  7. GudgeonStort (Hertfordshire and North London) 6River Kennet 31Latest evidence 10 Sept 2019 · 1 Oct 2025
  8. BleakStort (Hertfordshire and North London) 6River Kennet 27Latest evidence 19 Aug 2025 · 25 Sept 2025
  9. Common breamStort (Hertfordshire and North London) 4River Kennet 19Latest evidence 10 Sept 2019 · 25 Sept 2025
  10. BullheadStort (Hertfordshire and North London) 3River Kennet 11Latest evidence 19 Aug 2025 · 14 Oct 2025
  11. MinnowStort (Hertfordshire and North London) 3River Kennet 11Latest evidence 19 Aug 2025 · 14 Oct 2025
  12. TenchStort (Hertfordshire and North London) 1River Kennet 13Latest evidence 16 Aug 2006 · 13 Nov 2024
  13. European eelStort (Hertfordshire and North London) 3River Kennet 9Latest evidence 16 Aug 2013 · 8 Nov 2013
  14. Pike varietiesStort (Hertfordshire and North London) 6River Kennet 5Latest evidence 17 Aug 2011 · 1 Oct 2025
  15. Stone loachStort (Hertfordshire and North London) 2River Kennet 8Latest evidence 19 Aug 2025 · 8 Oct 2025
  16. European eels > elversStort (Hertfordshire and North London) 3River Kennet 5Latest evidence 23 Aug 2017 · 10 Oct 2025
  17. 3-spined sticklebackStort (Hertfordshire and North London) 2River Kennet 4Latest evidence 19 Aug 2025 · 14 Oct 2025
  18. Silver breamStort (Hertfordshire and North London) 1River Kennet 3Latest evidence 11 Aug 2009 · 4 Nov 2022

Only in the Stort (Hertfordshire and North London) survey set

  1. Rudd varieties1 site · latest 26 Sept 2005
  2. Tench varieties1 site · latest 16 Aug 2007

Only in the River Kennet survey set

  1. Barbel22 sites · latest 25 Sept 2025
  2. Grayling21 sites · latest 9 Oct 2025
  3. Atlantic salmon14 sites · latest 25 Oct 2010
  4. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  5. Ruffe9 sites · latest 5 Nov 2022
  6. Rainbow trout8 sites · latest 8 Oct 2024
  7. Brook lamprey7 sites · latest 14 Oct 2025
  8. Common [wild] carp5 sites · latest 24 Oct 2018
  9. Mirror carp4 sites · latest 4 Nov 2008
  10. Common carp varieties3 sites · latest 22 Oct 2015
  11. Rudd3 sites · latest 4 Nov 2022
  12. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  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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