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

South Holland Main Drain

Survey sites
18
Survey events
93
Recorded taxa
23
Evidence period
15 Apr 1986 – 3 Apr 2025
Sites latest within 2 years
4
Sites latest over 10 years ago
14
EA waterbody IDs
GB105031050680 · GB105032050400
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

15 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. PikeSouth Holland Main Drain 16River Kennet 47Latest evidence 1 Apr 2025 · 9 Oct 2025
  2. RoachSouth Holland Main Drain 18River Kennet 36Latest evidence 3 Apr 2025 · 8 Oct 2025
  3. PerchSouth Holland Main Drain 14River Kennet 38Latest evidence 3 Apr 2025 · 9 Oct 2025
  4. GudgeonSouth Holland Main Drain 15River Kennet 31Latest evidence 1 Apr 2025 · 1 Oct 2025
  5. BleakSouth Holland Main Drain 7River Kennet 27Latest evidence 4 Jun 1997 · 25 Sept 2025
  6. Common breamSouth Holland Main Drain 14River Kennet 19Latest evidence 3 Apr 2025 · 25 Sept 2025
  7. Roach x common bream hybridSouth Holland Main Drain 14River Kennet 12Latest evidence 1 Apr 2025 · 25 Oct 2018
  8. TenchSouth Holland Main Drain 11River Kennet 13Latest evidence 1 Apr 2025 · 13 Nov 2024
  9. European eels > elversSouth Holland Main Drain 14River Kennet 5Latest evidence 1 Apr 2025 · 10 Oct 2025
  10. RuddSouth Holland Main Drain 14River Kennet 3Latest evidence 2 Apr 2025 · 4 Nov 2022
  11. 3-spined sticklebackSouth Holland Main Drain 13River Kennet 4Latest evidence 2 Apr 2025 · 14 Oct 2025
  12. Common [wild] carpSouth Holland Main Drain 9River Kennet 5Latest evidence 3 Apr 2025 · 24 Oct 2018
  13. Silver breamSouth Holland Main Drain 10River Kennet 3Latest evidence 8 Jun 2012 · 4 Nov 2022
  14. Mirror carpSouth Holland Main Drain 6River Kennet 4Latest evidence 28 Apr 2016 · 4 Nov 2008
  15. Common carp varietiesSouth Holland Main Drain 3River Kennet 3Latest evidence 20 Apr 2016 · 22 Oct 2015

Only in the South Holland Main Drain survey set

  1. Flounder6 sites · latest 28 Apr 2016
  2. 10-spined stickleback3 sites · latest 4 Apr 2011
  3. Roach x rudd hybrid2 sites · latest 12 May 2008
  4. Spined loach2 sites · latest 19 Apr 2016
  5. Common bream x silver bream hybrid1 site · latest 26 Apr 2007
  6. Common goby1 site · latest 29 Sept 1997
  7. Rudd x common bream hybrid1 site · latest 2 Apr 2025
  8. Sprat1 site · latest 29 Sept 1997

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. European eel9 sites · latest 8 Nov 2013
  10. Ruffe9 sites · latest 5 Nov 2022
  11. Rainbow trout8 sites · latest 8 Oct 2024
  12. Stone loach8 sites · latest 8 Oct 2025
  13. Brook lamprey7 sites · latest 14 Oct 2025
  14. Pike varieties5 sites · latest 1 Oct 2025
  15. Brook lamprey > ammocoete1 site · latest 6 Oct 2023
  16. 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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