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.

Lincolnshire and Northamptonshire

Harpers Brook

Survey sites
9
Survey events
27
Recorded taxa
16
Evidence period
1 Mar 1989 – 24 Oct 2018
Sites latest within 2 years
0
Sites latest over 10 years ago
7
EA waterbody IDs
GB105032045230
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

16 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. Brown / sea troutHarpers Brook 6River Kennet 47Latest evidence 24 Oct 2018 · 14 Oct 2025
  2. PikeHarpers Brook 5River Kennet 47Latest evidence 23 Oct 2018 · 9 Oct 2025
  3. ChubHarpers Brook 7River Kennet 41Latest evidence 23 Oct 2018 · 9 Oct 2025
  4. DaceHarpers Brook 7River Kennet 41Latest evidence 24 Oct 2018 · 9 Oct 2025
  5. PerchHarpers Brook 5River Kennet 38Latest evidence 23 Oct 2018 · 9 Oct 2025
  6. RoachHarpers Brook 6River Kennet 36Latest evidence 9 Apr 2015 · 8 Oct 2025
  7. GudgeonHarpers Brook 5River Kennet 31Latest evidence 4 Apr 2006 · 1 Oct 2025
  8. BleakHarpers Brook 3River Kennet 27Latest evidence 16 Mar 1995 · 25 Sept 2025
  9. Common breamHarpers Brook 2River Kennet 19Latest evidence 18 Feb 1992 · 25 Sept 2025
  10. BullheadHarpers Brook 9River Kennet 11Latest evidence 24 Oct 2018 · 14 Oct 2025
  11. MinnowHarpers Brook 9River Kennet 11Latest evidence 24 Oct 2018 · 14 Oct 2025
  12. Stone loachHarpers Brook 7River Kennet 8Latest evidence 10 Apr 2015 · 8 Oct 2025
  13. European eels > elversHarpers Brook 5River Kennet 5Latest evidence 3 Jul 2000 · 10 Oct 2025
  14. 3-spined sticklebackHarpers Brook 4River Kennet 4Latest evidence 20 Feb 1992 · 14 Oct 2025
  15. Common [wild] carpHarpers Brook 2River Kennet 5Latest evidence 15 Mar 1995 · 24 Oct 2018
  16. Mirror carpHarpers Brook 1River Kennet 4Latest evidence 18 Feb 1992 · 4 Nov 2008

Only in the Harpers Brook survey set

No distinct positive taxon aggregate in this comparison.

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. Tench13 sites · latest 13 Nov 2024
  5. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  6. European eel9 sites · latest 8 Nov 2013
  7. Ruffe9 sites · latest 5 Nov 2022
  8. Rainbow trout8 sites · latest 8 Oct 2024
  9. Brook lamprey7 sites · latest 14 Oct 2025
  10. Pike varieties5 sites · latest 1 Oct 2025
  11. Common carp varieties3 sites · latest 22 Oct 2015
  12. Rudd3 sites · latest 4 Nov 2022
  13. Silver bream3 sites · latest 4 Nov 2022
  14. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  15. 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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