Historic monitoring evidence · Environment Agency
Gadebridge Park
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.
3-spined stickleback
Gasterosteus aculeatus- First record
- 12 Feb 2002
- Latest record
- 6 Jun 2022
- Survey events
- 5
Bullhead
Cottus gobio- First record
- 12 Feb 2002
- Latest record
- 6 Jun 2022
- Survey events
- 5
Minnow
Phoxinus phoxinus- First record
- 12 Feb 2002
- Latest record
- 6 Jun 2022
- Survey events
- 5
Stone loach
Barbatula barbatula- First record
- 12 Feb 2002
- Latest record
- 6 Jun 2022
- Survey events
- 5
Brown / sea trout
Salmo trutta- First record
- 26 May 2004
- Latest record
- 6 Jun 2022
- Survey events
- 4
Feral [brown] goldfish
Carassius auratus- First record
- 9 May 2016
- Latest record
- 9 May 2016
- Survey events
- 1
White sucker
Catostomus commersonii- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Dace
Leuciscus leuciscus- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Ghost carp
Cyprinus carpio- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Mirror carp
Cyprinus carpio- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Roach
Rutilus rutilus- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Golden rudd
Scardinius erythrophthalmus- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Tench
Tinca tinca- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Perch
Perca fluviatilis- First record
- 26 May 2004
- Latest record
- 26 May 2004
- Survey events
- 1
Orfe / Ide
Leuciscus idus- First record
- 12 Feb 2002
- Latest record
- 12 Feb 2002
- 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