Historic monitoring evidence · Environment Agency
U/S Layer Mill
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
- 7 Mar 1984
- Latest record
- 1 Nov 2023
- Survey events
- 9
3-spined stickleback
Gasterosteus aculeatus- First record
- 8 Nov 2005
- Latest record
- 1 Nov 2023
- Survey events
- 3
Minnow
Phoxinus phoxinus- First record
- 1 Nov 2023
- Latest record
- 1 Nov 2023
- Survey events
- 1
European eels > elvers
Anguilla anguilla- First record
- 7 Mar 1984
- Latest record
- 16 Oct 2017
- Survey events
- 9
Brown / sea trout
Salmo trutta- First record
- 29 Jun 1999
- Latest record
- 16 Oct 2017
- Survey events
- 4
Stone loach
Barbatula barbatula- First record
- 7 Mar 1984
- Latest record
- 16 Oct 2017
- Survey events
- 4
Pike
Esox lucius- First record
- 25 Oct 2011
- Latest record
- 16 Oct 2017
- Survey events
- 2
Bullhead
Cottus gobio- First record
- 16 Oct 2017
- Latest record
- 16 Oct 2017
- Survey events
- 1
Dace
Leuciscus leuciscus- First record
- 5 Oct 1987
- Latest record
- 25 Oct 2011
- Survey events
- 3
Chub
Leuciscus cephalus- First record
- 5 Oct 1987
- Latest record
- 8 Nov 2005
- Survey events
- 3
Rudd
Scardinius erythrophthalmus- First record
- 5 Oct 1987
- Latest record
- 8 Nov 2005
- Survey events
- 2
Rainbow trout
Oncorhynchus mykiss- First record
- 15 Nov 1990
- Latest record
- 19 Oct 1993
- Survey events
- 2
Mirror carp
Cyprinus carpio- First record
- 19 Oct 1993
- Latest record
- 19 Oct 1993
- Survey events
- 1
Common bream
Abramis brama- First record
- 7 Mar 1984
- Latest record
- 5 Oct 1987
- Survey events
- 2
Perch
Perca fluviatilis- First record
- 7 Mar 1984
- Latest record
- 5 Oct 1987
- Survey events
- 2
Gudgeon
Gobio gobio- First record
- 5 Oct 1987
- Latest record
- 5 Oct 1987
- Survey events
- 1
Roach x common bream hybrid
Rutilus rutilus x Abramis brama- First record
- 5 Oct 1987
- Latest record
- 5 Oct 1987
- 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