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

North Delph

Survey sites
3
Survey events
12
Recorded taxa
12
Evidence period
10 Apr 1985 – 23 Sept 1998
Sites latest within 2 years
0
Sites latest over 10 years ago
3
EA waterbody IDs
GB105030062420
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

11 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. PikeNorth Delph 3River Kennet 47Latest evidence 23 Sept 1998 · 9 Oct 2025
  2. DaceNorth Delph 2River Kennet 41Latest evidence 25 Jul 1994 · 9 Oct 2025
  3. PerchNorth Delph 3River Kennet 38Latest evidence 23 Sept 1998 · 9 Oct 2025
  4. RoachNorth Delph 3River Kennet 36Latest evidence 23 Sept 1998 · 8 Oct 2025
  5. GudgeonNorth Delph 1River Kennet 31Latest evidence 10 Apr 1985 · 1 Oct 2025
  6. Common breamNorth Delph 1River Kennet 19Latest evidence 16 Mar 1988 · 25 Sept 2025
  7. Roach x common bream hybridNorth Delph 1River Kennet 12Latest evidence 10 Apr 1985 · 25 Oct 2018
  8. Stone loachNorth Delph 3River Kennet 8Latest evidence 17 Sept 1998 · 8 Oct 2025
  9. RuffeNorth Delph 2River Kennet 9Latest evidence 23 Sept 1998 · 5 Nov 2022
  10. European eels > elversNorth Delph 2River Kennet 5Latest evidence 18 Mar 1988 · 10 Oct 2025
  11. Mirror carpNorth Delph 1River Kennet 4Latest evidence 16 Mar 1988 · 4 Nov 2008

Only in the North Delph survey set

  1. Spined loach1 site · latest 18 Mar 1988

Only in the River Kennet survey set

  1. Brown / sea trout47 sites · latest 14 Oct 2025
  2. Chub41 sites · latest 9 Oct 2025
  3. Bleak27 sites · latest 25 Sept 2025
  4. Barbel22 sites · latest 25 Sept 2025
  5. Grayling21 sites · latest 9 Oct 2025
  6. Atlantic salmon14 sites · latest 25 Oct 2010
  7. Tench13 sites · latest 13 Nov 2024
  8. Bullhead11 sites · latest 14 Oct 2025
  9. Minnow11 sites · latest 14 Oct 2025
  10. European eel9 sites · latest 8 Nov 2013
  11. Rainbow trout8 sites · latest 8 Oct 2024
  12. Brook lamprey7 sites · latest 14 Oct 2025
  13. Common [wild] carp5 sites · latest 24 Oct 2018
  14. Pike varieties5 sites · latest 1 Oct 2025
  15. 3-spined stickleback4 sites · latest 14 Oct 2025
  16. Common carp varieties3 sites · latest 22 Oct 2015
  17. Rudd3 sites · latest 4 Nov 2022
  18. Silver bream3 sites · latest 4 Nov 2022
  19. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  20. 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