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

Duke of Northumberland

Survey sites
6
Survey events
26
Recorded taxa
23
Evidence period
13 Jun 2000 – 10 Oct 2024
Sites latest within 2 years
0
Sites latest over 10 years ago
0
EA waterbody IDs
GB106039023030 · GB106039023480
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

19 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. PikeDuke of Northumberland 4River Kennet 47Latest evidence 10 Oct 2024 · 9 Oct 2025
  2. ChubDuke of Northumberland 6River Kennet 41Latest evidence 10 Oct 2024 · 9 Oct 2025
  3. DaceDuke of Northumberland 6River Kennet 41Latest evidence 10 Oct 2024 · 9 Oct 2025
  4. RoachDuke of Northumberland 6River Kennet 36Latest evidence 10 Oct 2024 · 8 Oct 2025
  5. PerchDuke of Northumberland 2River Kennet 38Latest evidence 19 Oct 2023 · 9 Oct 2025
  6. GudgeonDuke of Northumberland 6River Kennet 31Latest evidence 10 Oct 2024 · 1 Oct 2025
  7. BleakDuke of Northumberland 3River Kennet 27Latest evidence 19 Oct 2023 · 25 Sept 2025
  8. Common breamDuke of Northumberland 3River Kennet 19Latest evidence 19 Oct 2023 · 25 Sept 2025
  9. TenchDuke of Northumberland 2River Kennet 13Latest evidence 8 Oct 2024 · 13 Nov 2024
  10. MinnowDuke of Northumberland 3River Kennet 11Latest evidence 10 Oct 2024 · 14 Oct 2025
  11. BullheadDuke of Northumberland 1River Kennet 11Latest evidence 10 Oct 2024 · 14 Oct 2025
  12. European eelDuke of Northumberland 2River Kennet 9Latest evidence 1 Nov 2010 · 8 Nov 2013
  13. European eels > elversDuke of Northumberland 5River Kennet 5Latest evidence 10 Oct 2024 · 10 Oct 2025
  14. Stone loachDuke of Northumberland 2River Kennet 8Latest evidence 10 Oct 2024 · 8 Oct 2025
  15. Pike varietiesDuke of Northumberland 2River Kennet 5Latest evidence 6 Oct 2010 · 1 Oct 2025
  16. 3-spined sticklebackDuke of Northumberland 2River Kennet 4Latest evidence 10 Oct 2024 · 14 Oct 2025
  17. Common [wild] carpDuke of Northumberland 1River Kennet 5Latest evidence 15 Jun 2000 · 24 Oct 2018
  18. RuddDuke of Northumberland 2River Kennet 3Latest evidence 10 Oct 2024 · 4 Nov 2022
  19. Silver breamDuke of Northumberland 1River Kennet 3Latest evidence 10 Oct 2024 · 4 Nov 2022

Only in the Duke of Northumberland survey set

  1. Tench varieties2 sites · latest 6 Oct 2010
  2. European elvers1 site · latest 11 Oct 2016
  3. Feral [brown] goldfish1 site · latest 13 Jun 2000
  4. Roach x rudd hybrid1 site · latest 13 Jun 2000

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Barbel22 sites · latest 25 Sept 2025
  3. Grayling21 sites · latest 9 Oct 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. Mirror carp4 sites · latest 4 Nov 2008
  10. Common carp varieties3 sites · latest 22 Oct 2015
  11. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  12. 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