Historic monitoring evidence · Environment Agency
US Knettishall Heath
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.
Perch
Perca fluviatilis- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 5
Pike
Esox lucius- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 5
Dace
Leuciscus leuciscus- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 4
Roach
Rutilus rutilus- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 4
European eels > elvers
Anguilla anguilla- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 3
Bullhead
Cottus gobio- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 3
Stone loach
Barbatula barbatula- First record
- 18 May 1988
- Latest record
- 18 Jan 2000
- Survey events
- 3
Tench
Tinca tinca- First record
- 21 Apr 1989
- Latest record
- 4 Dec 1995
- Survey events
- 2
Common [wild] carp
Cyprinus carpio- First record
- 4 Dec 1995
- Latest record
- 4 Dec 1995
- Survey events
- 1
Rudd
Scardinius erythrophthalmus- First record
- 18 May 1988
- Latest record
- 18 Feb 1993
- Survey events
- 3
Gudgeon
Gobio gobio- First record
- 18 May 1988
- Latest record
- 18 Feb 1993
- Survey events
- 2
Roach x rudd hybrid
Rutilus rutilus x Scardinius erythrophthalmus- First record
- 18 Feb 1993
- Latest record
- 18 Feb 1993
- Survey events
- 1
Chub
Leuciscus cephalus- First record
- 18 May 1988
- Latest record
- 18 May 1988
- 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