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

R.Slea

Survey sites
17
Survey events
77
Recorded taxa
24
Evidence period
13 May 1985 – 20 Sept 2024
Sites latest within 2 years
0
Sites latest over 10 years ago
12
EA waterbody IDs
GB105030056670 · GB105030056690 · GB105030056710
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

18 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. PikeR.Slea 8River Kennet 47Latest evidence 25 Jul 2023 · 9 Oct 2025
  2. Brown / sea troutR.Slea 7River Kennet 47Latest evidence 20 Sept 2024 · 14 Oct 2025
  3. DaceR.Slea 10River Kennet 41Latest evidence 19 Oct 2023 · 9 Oct 2025
  4. RoachR.Slea 13River Kennet 36Latest evidence 19 Oct 2023 · 8 Oct 2025
  5. ChubR.Slea 6River Kennet 41Latest evidence 23 Sept 2014 · 9 Oct 2025
  6. PerchR.Slea 8River Kennet 38Latest evidence 25 Jul 2023 · 9 Oct 2025
  7. GudgeonR.Slea 11River Kennet 31Latest evidence 11 Oct 2018 · 1 Oct 2025
  8. BleakR.Slea 1River Kennet 27Latest evidence 18 Oct 2013 · 25 Sept 2025
  9. Common breamR.Slea 6River Kennet 19Latest evidence 1 Oct 2014 · 25 Sept 2025
  10. European eels > elversR.Slea 14River Kennet 5Latest evidence 20 Sept 2024 · 10 Oct 2025
  11. Roach x common bream hybridR.Slea 7River Kennet 12Latest evidence 18 Oct 2013 · 25 Oct 2018
  12. RuffeR.Slea 7River Kennet 9Latest evidence 4 Oct 2017 · 5 Nov 2022
  13. TenchR.Slea 3River Kennet 13Latest evidence 5 Jul 2011 · 13 Nov 2024
  14. 3-spined sticklebackR.Slea 10River Kennet 4Latest evidence 19 Oct 2023 · 14 Oct 2025
  15. Stone loachR.Slea 6River Kennet 8Latest evidence 19 Oct 2023 · 8 Oct 2025
  16. European eelR.Slea 2River Kennet 9Latest evidence 19 Oct 2023 · 8 Nov 2013
  17. RuddR.Slea 7River Kennet 3Latest evidence 18 Oct 2013 · 4 Nov 2022
  18. Silver breamR.Slea 6River Kennet 3Latest evidence 5 Jul 2011 · 4 Nov 2022

Only in the R.Slea survey set

  1. Spined loach5 sites · latest 6 Oct 2017
  2. 10-spined stickleback2 sites · latest 14 Apr 2005
  3. Crucian carp1 site · latest 18 Mar 1994
  4. Flounder1 site · latest 18 Sept 1998
  5. Roach x rudd hybrid1 site · latest 2 Jul 1997
  6. Roach x silver bream hybrid1 site · latest 2 Jul 1997

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. Bullhead11 sites · latest 14 Oct 2025
  5. Minnow11 sites · latest 14 Oct 2025
  6. Rainbow trout8 sites · latest 8 Oct 2024
  7. Brook lamprey7 sites · latest 14 Oct 2025
  8. Common [wild] carp5 sites · latest 24 Oct 2018
  9. Pike varieties5 sites · latest 1 Oct 2025
  10. Mirror carp4 sites · latest 4 Nov 2008
  11. Common carp varieties3 sites · latest 22 Oct 2015
  12. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  13. 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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