AnglerRadar / Compare rivers 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
Survey sites 4
Survey events 9
Recorded taxa 15
Evidence period 28 Apr 2008 – 12 May 2026
Sites latest within 2 years 2
Sites latest over 10 years ago 1
EA waterbody IDs GB106039029830
Access status Not established by survey data Thames
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
14 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.
Brown / sea trout Misbourne 3 River Kennet 47 Latest evidence 12 May 2026 · 14 Oct 2025 Pike Misbourne 1 River Kennet 47 Latest evidence 12 May 2026 · 9 Oct 2025 Chub Misbourne 2 River Kennet 41 Latest evidence 12 May 2026 · 9 Oct 2025 Perch Misbourne 2 River Kennet 38 Latest evidence 12 May 2026 · 9 Oct 2025 Roach Misbourne 2 River Kennet 36 Latest evidence 5 May 2026 · 8 Oct 2025 Bullhead Misbourne 3 River Kennet 11 Latest evidence 5 May 2026 · 14 Oct 2025 Minnow Misbourne 1 River Kennet 11 Latest evidence 9 May 2011 · 14 Oct 2025 European eel Misbourne 2 River Kennet 9 Latest evidence 12 May 2026 · 8 Nov 2013 Stone loach Misbourne 2 River Kennet 8 Latest evidence 24 May 2019 · 8 Oct 2025 Rainbow trout Misbourne 1 River Kennet 8 Latest evidence 5 May 2026 · 8 Oct 2024 3-spined stickleback Misbourne 3 River Kennet 4 Latest evidence 5 May 2026 · 14 Oct 2025 European eels > elvers Misbourne 1 River Kennet 5 Latest evidence 7 Jun 2019 · 10 Oct 2025 Pike varieties Misbourne 1 River Kennet 5 Latest evidence 9 May 2011 · 1 Oct 2025 Rudd Misbourne 1 River Kennet 3 Latest evidence 5 May 2026 · 4 Nov 2022 Only in the Misbourne survey set Rudd varieties 1 site · latest 13 May 2011 Only in the River Kennet survey set Dace 41 sites · latest 9 Oct 2025 Gudgeon 31 sites · latest 1 Oct 2025 Bleak 27 sites · latest 25 Sept 2025 Barbel 22 sites · latest 25 Sept 2025 Grayling 21 sites · latest 9 Oct 2025 Common bream 19 sites · latest 25 Sept 2025 Atlantic salmon 14 sites · latest 25 Oct 2010 Tench 13 sites · latest 13 Nov 2024 Roach x common bream hybrid 12 sites · latest 25 Oct 2018 Ruffe 9 sites · latest 5 Nov 2022 Brook lamprey 7 sites · latest 14 Oct 2025 Common [wild] carp 5 sites · latest 24 Oct 2018 Mirror carp 4 sites · latest 4 Nov 2008 Common carp varieties 3 sites · latest 22 Oct 2015 Silver bream 3 sites · latest 4 Nov 2022 Brook lamprey > ammocoete 1 site · latest 6 Oct 2023 Golden goldfish 1 site · latest 12 Nov 2009 Method and boundary
Comparison, not prediction. Source Environment Agency Ecology & Fish Data Licence Open Government Licence v3.0 Source copy retrieved 23 Jul 2026 Coordinates Not published on this page Not asserted Access, current presence, abundance, catch prospects or safety