Historic monitoring evidence · Environment Agency
Gaston Lock - Burghfield Mill
Thames · 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.
Chub
Leuciscus cephalus- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 11
Bleak
Alburnus alburnus- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 11
Roach
Rutilus rutilus- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 11
Perch
Perca fluviatilis- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 11
Pike
Esox lucius- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 11
Barbel
Barbus barbus- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 10
Dace
Leuciscus leuciscus- First record
- 19 Oct 2005
- Latest record
- 27 Oct 2018
- Survey events
- 9
Gudgeon
Gobio gobio- First record
- 9 Apr 2003
- Latest record
- 27 Oct 2018
- Survey events
- 9
Brown / sea trout
Salmo trutta- First record
- 17 Oct 2015
- Latest record
- 17 Oct 2015
- Survey events
- 1
Common carp varieties
Cyprinus carpio- First record
- 17 Oct 2015
- Latest record
- 17 Oct 2015
- Survey events
- 1
Common bream
Abramis brama- First record
- 9 Apr 2003
- Latest record
- 29 Oct 2012
- Survey events
- 3
European eel
Anguilla anguilla- First record
- 28 Oct 2004
- Latest record
- 12 Nov 2009
- Survey events
- 4
Ruffe
Gymnocephalus cernuus- First record
- 31 Oct 2007
- Latest record
- 12 Nov 2009
- Survey events
- 2
Roach x common bream hybrid
Rutilus rutilus x Abramis brama- First record
- 12 Nov 2009
- Latest record
- 12 Nov 2009
- Survey events
- 1
Tench
Tinca tinca- First record
- 9 Apr 2003
- Latest record
- 31 Oct 2007
- Survey events
- 4
Rudd
Scardinius erythrophthalmus- First record
- 19 Oct 2005
- Latest record
- 19 Oct 2005
- Survey events
- 1
Mirror carp
Cyprinus carpio- First record
- 28 Oct 2004
- Latest record
- 28 Oct 2004
- Survey events
- 1
Rainbow trout
Oncorhynchus mykiss- First record
- 9 Apr 2003
- Latest record
- 9 Apr 2003
- Survey events
- 1
Atlantic salmon
Salmo salar- First record
- 9 Apr 2003
- Latest record
- 9 Apr 2003
- 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