Historic monitoring evidence · Environment Agency
Hartham Common Beane
Hertfordshire and North London · survey site
This page records ecological survey evidence. It is not proof of current fish presence, abundance, fishing quality, access, permission or safety at this location.
Observed taxa
What monitoring recorded here
Taxa are ordered by latest survey date. Counts and records reflect monitoring events, not an angling forecast.
Dace
Leuciscus leuciscus- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Gudgeon
Gobio gobio- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Roach
Rutilus rutilus- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Perch
Perca fluviatilis- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Bullhead
Cottus gobio- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Minnow
Phoxinus phoxinus- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Stone loach
Barbatula barbatula- First record
- 2 Nov 1993
- Latest record
- 14 Jun 2024
- Survey events
- 6
Brown / sea trout
Salmo trutta- First record
- 9 Oct 2003
- Latest record
- 14 Jun 2024
- Survey events
- 5
Pike
Esox lucius- First record
- 9 Oct 2003
- Latest record
- 14 Jun 2024
- Survey events
- 4
Grayling
Thymallus thymallus- First record
- 15 Jun 2023
- Latest record
- 14 Jun 2024
- Survey events
- 2
Chub
Leuciscus cephalus- First record
- 2 Nov 1993
- Latest record
- 15 Jun 2023
- Survey events
- 3
Rudd
Scardinius erythrophthalmus- First record
- 15 Jun 2023
- Latest record
- 15 Jun 2023
- Survey events
- 1
Brook lamprey
Lampetra planeri- First record
- 2 Nov 1993
- Latest record
- 22 Apr 2014
- Survey events
- 3
Pike varieties
Esox lucius- First record
- 2 Nov 1993
- Latest record
- 13 May 2008
- Survey events
- 2
Rudd varieties
Scardinius erythrophthalmus- First record
- 13 May 2008
- Latest record
- 13 May 2008
- Survey events
- 1
Lamprey sp.
Petromyzontidae- First record
- 13 May 2008
- Latest record
- 13 May 2008
- Survey events
- 1
Common carp varieties
Cyprinus carpio- First record
- 9 Oct 2003
- Latest record
- 9 Oct 2003
- Survey events
- 1
Tench
Tinca tinca- First record
- 9 Oct 2003
- Latest record
- 9 Oct 2003
- Survey events
- 1
Rules and access
Check before you travel.
Environment Agency ecology records do not carry fishing-rights boundaries or live restrictions. Confirm the fishery owner, permission, local byelaws, seasonal rules, safety notices and current conditions before setting out.
Check live freshwater fishing rulesProvenance
Source, licence and boundary
- SourceEnvironment Agency Ecology & Fish Data
- LicenceOpen Government Licence v3.0
- Source copy retrieved23 Jul 2026
- Terms checked23 Jul 2026
- CoverageHistoric monitoring evidence, separately dated per record
- Not assertedCurrent presence, access, permission, fishing quality or safety