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

Crane (Hertfordshire and North London)

Survey sites
5
Survey events
34
Recorded taxa
21
Evidence period
25 Mar 2000 – 27 Sept 2022
Sites latest within 2 years
0
Sites latest over 10 years ago
1
EA waterbody IDs
GB106039023030
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. PikeCrane (Hertfordshire and North London) 2River Kennet 47Latest evidence 29 Oct 2018 · 9 Oct 2025
  2. ChubCrane (Hertfordshire and North London) 5River Kennet 41Latest evidence 27 Sept 2022 · 9 Oct 2025
  3. DaceCrane (Hertfordshire and North London) 5River Kennet 41Latest evidence 27 Sept 2022 · 9 Oct 2025
  4. RoachCrane (Hertfordshire and North London) 5River Kennet 36Latest evidence 27 Sept 2022 · 8 Oct 2025
  5. PerchCrane (Hertfordshire and North London) 3River Kennet 38Latest evidence 14 Sept 2022 · 9 Oct 2025
  6. GudgeonCrane (Hertfordshire and North London) 5River Kennet 31Latest evidence 27 Sept 2022 · 1 Oct 2025
  7. BleakCrane (Hertfordshire and North London) 1River Kennet 27Latest evidence 28 Sept 2010 · 25 Sept 2025
  8. BarbelCrane (Hertfordshire and North London) 3River Kennet 22Latest evidence 27 Sept 2022 · 25 Sept 2025
  9. MinnowCrane (Hertfordshire and North London) 4River Kennet 11Latest evidence 27 Sept 2022 · 14 Oct 2025
  10. TenchCrane (Hertfordshire and North London) 2River Kennet 13Latest evidence 13 Sept 2016 · 13 Nov 2024
  11. Stone loachCrane (Hertfordshire and North London) 5River Kennet 8Latest evidence 27 Sept 2022 · 8 Oct 2025
  12. BullheadCrane (Hertfordshire and North London) 2River Kennet 11Latest evidence 27 Sept 2022 · 14 Oct 2025
  13. European eelCrane (Hertfordshire and North London) 3River Kennet 9Latest evidence 27 Sept 2022 · 8 Nov 2013
  14. 3-spined sticklebackCrane (Hertfordshire and North London) 5River Kennet 4Latest evidence 14 Sept 2022 · 14 Oct 2025
  15. European eels > elversCrane (Hertfordshire and North London) 3River Kennet 5Latest evidence 23 Oct 2019 · 10 Oct 2025
  16. Pike varietiesCrane (Hertfordshire and North London) 1River Kennet 5Latest evidence 14 Sept 2022 · 1 Oct 2025
  17. RuddCrane (Hertfordshire and North London) 1River Kennet 3Latest evidence 14 Sept 2022 · 4 Nov 2022

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

  1. European elvers2 sites · latest 28 Oct 2016
  2. Chub x dace hybrid1 site · latest 25 Mar 2000
  3. Flounder1 site · latest 25 Mar 2000
  4. Tench varieties1 site · latest 14 Sept 2022

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Grayling21 sites · latest 9 Oct 2025
  3. Common bream19 sites · latest 25 Sept 2025
  4. Atlantic salmon14 sites · latest 25 Oct 2010
  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. Brook lamprey7 sites · latest 14 Oct 2025
  9. Common [wild] carp5 sites · latest 24 Oct 2018
  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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