Historic monitoring evidence · Environment Agency
Great Thurlow
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.
Gudgeon
Gobio gobio- First record
- 25 Sept 1980
- Latest record
- 18 Sept 2024
- Survey events
- 12
Perch
Perca fluviatilis- First record
- 25 Sept 1980
- Latest record
- 18 Sept 2024
- Survey events
- 12
Roach
Rutilus rutilus- First record
- 14 Oct 1985
- Latest record
- 18 Sept 2024
- Survey events
- 11
Minnow
Phoxinus phoxinus- First record
- 25 Sept 1980
- Latest record
- 18 Sept 2024
- Survey events
- 7
Chub
Leuciscus cephalus- First record
- 23 Sept 2003
- Latest record
- 18 Sept 2024
- Survey events
- 6
Stone loach
Barbatula barbatula- First record
- 25 Sept 1980
- Latest record
- 18 Sept 2024
- Survey events
- 3
Roach x common bream hybrid
Rutilus rutilus x Abramis brama- First record
- 7 Nov 1994
- Latest record
- 18 Sept 2024
- Survey events
- 3
Tench
Tinca tinca- First record
- 15 Sept 2015
- Latest record
- 18 Sept 2024
- Survey events
- 2
Spined loach
Cobitis taenia- First record
- 4 Oct 2006
- Latest record
- 18 Sept 2024
- Survey events
- 2
Bullhead
Cottus gobio- First record
- 18 Sept 2024
- Latest record
- 18 Sept 2024
- Survey events
- 1
Common bream
Abramis brama- First record
- 11 Oct 1991
- Latest record
- 19 Oct 2012
- Survey events
- 5
Brown / sea trout
Salmo trutta- First record
- 4 Nov 1988
- Latest record
- 4 Sept 2009
- Survey events
- 5
Rudd
Scardinius erythrophthalmus- First record
- 9 Oct 2000
- Latest record
- 4 Sept 2009
- Survey events
- 3
Pike
Esox lucius- First record
- 4 Sept 2009
- Latest record
- 4 Sept 2009
- Survey events
- 1
Zander
Sander lucioperca- First record
- 7 Nov 1994
- Latest record
- 4 Oct 2006
- Survey events
- 3
Bleak
Alburnus alburnus- First record
- 4 Oct 2006
- Latest record
- 4 Oct 2006
- Survey events
- 1
Roach x chub hybrid
Rutilus rutilus x Leuciscus cephalus- First record
- 4 Oct 2006
- Latest record
- 4 Oct 2006
- Survey events
- 1
Roach x rudd hybrid
Rutilus rutilus x Scardinius erythrophthalmus- First record
- 4 Oct 2006
- Latest record
- 4 Oct 2006
- Survey events
- 1
Rainbow trout
Oncorhynchus mykiss- First record
- 14 Oct 1985
- Latest record
- 23 Sept 2003
- Survey events
- 2
Dace
Leuciscus leuciscus- First record
- 25 Sept 1980
- Latest record
- 7 Nov 1994
- Survey events
- 3
Crucian carp
Carassius carassius- First record
- 11 Oct 1991
- Latest record
- 11 Oct 1991
- Survey events
- 1
Ruffe
Gymnocephalus cernuus- First record
- 11 Oct 1991
- Latest record
- 11 Oct 1991
- Survey events
- 1
3-spined stickleback
Gasterosteus aculeatus- First record
- 25 Sept 1980
- Latest record
- 25 Sept 1980
- 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