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

Ingrebourne

Survey sites
5
Survey events
18
Recorded taxa
15
Evidence period
16 Apr 1996 – 30 Apr 2024
Sites latest within 2 years
0
Sites latest over 10 years ago
3
EA waterbody IDs
GB106037028130
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. PikeIngrebourne 2River Kennet 47Latest evidence 30 Apr 2024 · 9 Oct 2025
  2. ChubIngrebourne 5River Kennet 41Latest evidence 30 Apr 2024 · 9 Oct 2025
  3. DaceIngrebourne 5River Kennet 41Latest evidence 30 Apr 2024 · 9 Oct 2025
  4. RoachIngrebourne 5River Kennet 36Latest evidence 30 Apr 2024 · 8 Oct 2025
  5. GudgeonIngrebourne 4River Kennet 31Latest evidence 30 Apr 2024 · 1 Oct 2025
  6. BleakIngrebourne 1River Kennet 27Latest evidence 30 Apr 2024 · 25 Sept 2025
  7. MinnowIngrebourne 4River Kennet 11Latest evidence 30 Apr 2024 · 14 Oct 2025
  8. European eelIngrebourne 5River Kennet 9Latest evidence 5 May 2016 · 8 Nov 2013
  9. Stone loachIngrebourne 4River Kennet 8Latest evidence 5 May 2016 · 8 Oct 2025
  10. BullheadIngrebourne 1River Kennet 11Latest evidence 30 Apr 2024 · 14 Oct 2025
  11. 3-spined sticklebackIngrebourne 4River Kennet 4Latest evidence 5 May 2016 · 14 Oct 2025
  12. European eels > elversIngrebourne 2River Kennet 5Latest evidence 30 Apr 2024 · 10 Oct 2025
  13. Pike varietiesIngrebourne 1River Kennet 5Latest evidence 25 Oct 2005 · 1 Oct 2025
  14. Mirror carpIngrebourne 1River Kennet 4Latest evidence 30 Apr 2024 · 4 Nov 2008
  15. RuddIngrebourne 1River Kennet 3Latest evidence 25 May 2012 · 4 Nov 2022

Only in the Ingrebourne survey set

No distinct positive taxon aggregate in this comparison.

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Perch38 sites · latest 9 Oct 2025
  3. Barbel22 sites · latest 25 Sept 2025
  4. Grayling21 sites · latest 9 Oct 2025
  5. Common bream19 sites · latest 25 Sept 2025
  6. Atlantic salmon14 sites · latest 25 Oct 2010
  7. Tench13 sites · latest 13 Nov 2024
  8. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  9. Ruffe9 sites · latest 5 Nov 2022
  10. Rainbow trout8 sites · latest 8 Oct 2024
  11. Brook lamprey7 sites · latest 14 Oct 2025
  12. Common [wild] carp5 sites · latest 24 Oct 2018
  13. Common carp varieties3 sites · latest 22 Oct 2015
  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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