Historic monitoring evidence · Environment Agency
Semer A
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.
Roach
Rutilus rutilus- First record
- 16 Feb 1982
- Latest record
- 25 Sept 2013
- Survey events
- 9
European eels > elvers
Anguilla anguilla- First record
- 16 Feb 1982
- Latest record
- 25 Sept 2013
- Survey events
- 9
Dace
Leuciscus leuciscus- First record
- 14 Dec 1984
- Latest record
- 25 Sept 2013
- Survey events
- 8
Gudgeon
Gobio gobio- First record
- 14 Dec 1984
- Latest record
- 25 Sept 2013
- Survey events
- 8
Minnow
Phoxinus phoxinus- First record
- 16 Feb 1982
- Latest record
- 25 Sept 2013
- Survey events
- 8
Chub
Leuciscus cephalus- First record
- 23 Feb 1988
- Latest record
- 25 Sept 2013
- Survey events
- 6
Bullhead
Cottus gobio- First record
- 16 Feb 1982
- Latest record
- 25 Sept 2013
- Survey events
- 5
Stone loach
Barbatula barbatula- First record
- 16 Feb 1982
- Latest record
- 25 Sept 2013
- Survey events
- 5
Pike
Esox lucius- First record
- 16 Feb 1982
- Latest record
- 11 Apr 2006
- Survey events
- 8
Perch
Perca fluviatilis- First record
- 16 Feb 1982
- Latest record
- 11 Apr 2006
- Survey events
- 7
Rudd
Scardinius erythrophthalmus- First record
- 14 Dec 1984
- Latest record
- 11 Apr 2006
- Survey events
- 4
Roach x rudd hybrid
Rutilus rutilus x Scardinius erythrophthalmus- First record
- 28 Apr 1997
- Latest record
- 11 Apr 2006
- Survey events
- 2
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