Historic monitoring evidence · Environment Agency
Thornton Bridge - Fry Survey
Yorkshire · 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
- 20 Sept 1984
- Latest record
- 1 Sept 2009
- Survey events
- 24
Minnow
Phoxinus phoxinus- First record
- 20 Sept 1984
- Latest record
- 1 Sept 2009
- Survey events
- 24
Dace
Leuciscus leuciscus- First record
- 20 Sept 1984
- Latest record
- 1 Sept 2009
- Survey events
- 22
Roach
Rutilus rutilus- First record
- 20 Sept 1984
- Latest record
- 1 Sept 2009
- Survey events
- 22
Stone loach
Barbatula barbatula- First record
- 20 Sept 1984
- Latest record
- 1 Sept 2009
- Survey events
- 9
Bleak
Alburnus alburnus- First record
- 20 Sept 1984
- Latest record
- 20 Sept 2007
- Survey events
- 15
Gudgeon
Gobio gobio- First record
- 20 Sept 1984
- Latest record
- 20 Sept 2006
- Survey events
- 17
Bullhead
Cottus gobio- First record
- 20 Sept 1984
- Latest record
- 29 Sept 2005
- Survey events
- 4
3-spined stickleback
Gasterosteus aculeatus- First record
- 23 Sept 1986
- Latest record
- 14 Sept 2004
- Survey events
- 11
Barbel
Barbus barbus- First record
- 20 Sept 1984
- Latest record
- 23 Sept 2003
- Survey events
- 6
Common bream
Abramis brama- First record
- 16 Sept 1997
- Latest record
- 19 Sept 2000
- Survey events
- 3
Roach x common bream hybrid
Rutilus rutilus x Abramis brama- First record
- 16 Sept 1997
- Latest record
- 16 Sept 1997
- Survey events
- 1
Perch
Perca fluviatilis- First record
- 20 Sept 1989
- Latest record
- 19 Sept 1996
- Survey events
- 5
Ruffe
Gymnocephalus cernuus- First record
- 20 Sept 1984
- Latest record
- 19 Sept 1995
- Survey events
- 3
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