Historic monitoring evidence · Environment Agency
Warren Farm
East Anglia · 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.
Brown / sea trout
Salmo trutta- First record
- 14 Nov 1989
- Latest record
- 29 Mar 2012
- Survey events
- 7
European eels > elvers
Anguilla anguilla- First record
- 14 Nov 1989
- Latest record
- 29 Mar 2012
- Survey events
- 5
Bullhead
Cottus gobio- First record
- 14 Nov 1989
- Latest record
- 29 Mar 2012
- Survey events
- 5
Pike
Esox lucius- First record
- 14 Nov 1989
- Latest record
- 29 Mar 2012
- Survey events
- 3
European eel
Anguilla anguilla- First record
- 14 Mar 2003
- Latest record
- 7 Apr 2010
- Survey events
- 2
3-spined stickleback
Gasterosteus aculeatus- First record
- 7 Apr 2010
- Latest record
- 7 Apr 2010
- Survey events
- 1
Rainbow trout
Oncorhynchus mykiss- First record
- 23 Jan 1996
- Latest record
- 23 Jan 1996
- Survey events
- 1
Dace
Leuciscus leuciscus- First record
- 12 Mar 1993
- Latest record
- 12 Mar 1993
- Survey events
- 1
Rudd
Scardinius erythrophthalmus- First record
- 12 Mar 1993
- Latest record
- 12 Mar 1993
- 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