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

Lower Lee Boomboat Surveys

Survey sites
4
Survey events
8
Recorded taxa
14
Evidence period
7 Oct 2009 – 13 Oct 2010
Sites latest within 2 years
0
Sites latest over 10 years ago
4
EA waterbody IDs
GB106038077851 · GB106038077852
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

13 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. PikeLower Lee Boomboat Surveys 3River Kennet 47Latest evidence 8 Oct 2009 · 9 Oct 2025
  2. PerchLower Lee Boomboat Surveys 4River Kennet 38Latest evidence 13 Oct 2010 · 9 Oct 2025
  3. RoachLower Lee Boomboat Surveys 4River Kennet 36Latest evidence 13 Oct 2010 · 8 Oct 2025
  4. GudgeonLower Lee Boomboat Surveys 2River Kennet 31Latest evidence 12 Oct 2010 · 1 Oct 2025
  5. BleakLower Lee Boomboat Surveys 1River Kennet 27Latest evidence 8 Oct 2009 · 25 Sept 2025
  6. Common breamLower Lee Boomboat Surveys 3River Kennet 19Latest evidence 12 Oct 2010 · 25 Sept 2025
  7. TenchLower Lee Boomboat Surveys 2River Kennet 13Latest evidence 8 Oct 2009 · 13 Nov 2024
  8. Roach x common bream hybridLower Lee Boomboat Surveys 1River Kennet 12Latest evidence 12 Oct 2010 · 25 Oct 2018
  9. European eelLower Lee Boomboat Surveys 3River Kennet 9Latest evidence 13 Oct 2010 · 8 Nov 2013
  10. RuffeLower Lee Boomboat Surveys 1River Kennet 9Latest evidence 12 Oct 2010 · 5 Nov 2022
  11. Pike varietiesLower Lee Boomboat Surveys 1River Kennet 5Latest evidence 12 Oct 2010 · 1 Oct 2025
  12. Silver breamLower Lee Boomboat Surveys 2River Kennet 3Latest evidence 12 Oct 2010 · 4 Nov 2022
  13. Common carp varietiesLower Lee Boomboat Surveys 1River Kennet 3Latest evidence 13 Oct 2010 · 22 Oct 2015

Only in the Lower Lee Boomboat Surveys survey set

  1. Tench varieties1 site · latest 12 Oct 2010

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Chub41 sites · latest 9 Oct 2025
  3. Dace41 sites · latest 9 Oct 2025
  4. Barbel22 sites · latest 25 Sept 2025
  5. Grayling21 sites · latest 9 Oct 2025
  6. Atlantic salmon14 sites · latest 25 Oct 2010
  7. Bullhead11 sites · latest 14 Oct 2025
  8. Minnow11 sites · latest 14 Oct 2025
  9. Rainbow trout8 sites · latest 8 Oct 2024
  10. Stone loach8 sites · latest 8 Oct 2025
  11. Brook lamprey7 sites · latest 14 Oct 2025
  12. Common [wild] carp5 sites · latest 24 Oct 2018
  13. European eels > elvers5 sites · latest 10 Oct 2025
  14. 3-spined stickleback4 sites · latest 14 Oct 2025
  15. Mirror carp4 sites · latest 4 Nov 2008
  16. Rudd3 sites · latest 4 Nov 2022
  17. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  18. 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