Historic monitoring evidence · Environment Agency
Warham
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.
European eels > elvers
Anguilla anguilla- First record
- 14 Apr 1988
- Latest record
- 22 Apr 2026
- Survey events
- 12
Stone loach
Barbatula barbatula- First record
- 14 Apr 1988
- Latest record
- 22 Apr 2026
- Survey events
- 12
Brown / sea trout
Salmo trutta- First record
- 14 Apr 1988
- Latest record
- 22 Apr 2026
- Survey events
- 11
3-spined stickleback
Gasterosteus aculeatus- First record
- 14 Apr 1988
- Latest record
- 22 Apr 2026
- Survey events
- 11
Bullhead
Cottus gobio- First record
- 27 Feb 1992
- Latest record
- 22 Apr 2026
- Survey events
- 10
Brook lamprey ammocoetes
Lampetra planeri- First record
- 17 Oct 2009
- Latest record
- 22 Apr 2026
- Survey events
- 6
Flounder
Platichthys flesus- First record
- 2 Apr 1995
- Latest record
- 22 Apr 2026
- Survey events
- 5
European elvers
Anguilla anguilla- First record
- 28 Apr 2011
- Latest record
- 22 Apr 2026
- Survey events
- 3
Brook lamprey > ammocoete
Lampetra planeri- First record
- 17 Oct 2009
- Latest record
- 22 Apr 2026
- Survey events
- 2
Gudgeon
Gobio gobio- First record
- 27 Feb 1992
- Latest record
- 19 Jul 2023
- Survey events
- 5
Rudd
Scardinius erythrophthalmus- First record
- 17 Oct 2009
- Latest record
- 17 Oct 2009
- Survey events
- 1
Lamprey sp. > ammocoete
Petromyzontidae- First record
- 18 Jun 2008
- Latest record
- 18 Jun 2008
- Survey events
- 1
Brook lamprey
Lampetra planeri- First record
- 27 Feb 1992
- Latest record
- 27 Feb 1992
- Survey events
- 1
River lamprey
Lampetra fluviatilis- First record
- 14 Apr 1988
- Latest record
- 14 Apr 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