Historic monitoring evidence · Environment Agency
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.
Dace
Leuciscus leuciscus- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 7
Gudgeon
Gobio gobio- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 7
Pike
Esox lucius- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 7
Bullhead
Cottus gobio- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 7
Stone loach
Barbatula barbatula- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 7
3-spined stickleback
Gasterosteus aculeatus- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 6
Roach
Rutilus rutilus- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 5
Chub
Leuciscus cephalus- First record
- 6 Dec 1995
- Latest record
- 20 Nov 2018
- Survey events
- 4
Minnow
Phoxinus phoxinus- First record
- 14 Nov 2012
- Latest record
- 20 Nov 2018
- Survey events
- 4
Rudd
Scardinius erythrophthalmus- First record
- 19 Jan 2000
- Latest record
- 20 Nov 2018
- Survey events
- 2
Perch
Perca fluviatilis- First record
- 19 Jan 2000
- Latest record
- 7 Jul 2015
- Survey events
- 3
Brown / sea trout
Salmo trutta- First record
- 14 Nov 2014
- Latest record
- 14 Nov 2014
- Survey events
- 1
Brook lamprey
Lampetra planeri- First record
- 19 Jan 2000
- Latest record
- 14 Nov 2013
- Survey events
- 3
Common bream
Abramis brama- First record
- 19 Jan 2000
- Latest record
- 19 Jan 2000
- Survey events
- 1
European eels > elvers
Anguilla anguilla- First record
- 6 Dec 1995
- Latest record
- 6 Dec 1995
- Survey events
- 1
Spined loach
Cobitis taenia- First record
- 6 Dec 1995
- Latest record
- 6 Dec 1995
- 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