Historic monitoring evidence · Environment Agency
Cassington Mill - Canal Stream
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
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 10
Gudgeon
Gobio gobio- First record
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 10
Roach
Rutilus rutilus- First record
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 10
Perch
Perca fluviatilis- First record
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 10
Dace
Leuciscus leuciscus- First record
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 9
Bleak
Alburnus alburnus- First record
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 9
Brown / sea trout
Salmo trutta- First record
- 14 Aug 2002
- Latest record
- 18 Apr 2012
- Survey events
- 8
Ruffe
Gymnocephalus cernuus- First record
- 21 Jun 2006
- Latest record
- 18 Apr 2012
- Survey events
- 5
Pike
Esox lucius- First record
- 14 Aug 2002
- Latest record
- 27 Apr 2010
- Survey events
- 8
Barbel
Barbus barbus- First record
- 14 Aug 2002
- Latest record
- 23 Apr 2009
- Survey events
- 4
Rudd
Scardinius erythrophthalmus- First record
- 14 Aug 2002
- Latest record
- 23 Apr 2009
- Survey events
- 2
Common [wild] carp
Cyprinus carpio- First record
- 23 Apr 2008
- Latest record
- 23 Apr 2008
- Survey events
- 1
Common bream
Abramis brama- First record
- 7 Jun 2007
- Latest record
- 7 Jun 2007
- Survey events
- 1
Silver bream
Abramis bjoerkna- First record
- 21 Jun 2006
- Latest record
- 21 Jun 2006
- Survey events
- 1
Roach x silver bream hybrid
Rutilus rutilus x Abramis bjoerkna- First record
- 21 Jun 2006
- Latest record
- 21 Jun 2006
- 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