Historic monitoring evidence · Environment Agency
D/S Warkton bridge
Lincolnshire and Northamptonshire · 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
- 26 Jan 1989
- Latest record
- 23 Oct 2018
- Survey events
- 12
Roach
Rutilus rutilus- First record
- 26 Jan 1989
- Latest record
- 23 Oct 2018
- Survey events
- 11
Perch
Perca fluviatilis- First record
- 29 Jan 1992
- Latest record
- 23 Oct 2018
- Survey events
- 10
Pike
Esox lucius- First record
- 26 Jan 1989
- Latest record
- 23 Oct 2018
- Survey events
- 10
Bullhead
Cottus gobio- First record
- 10 Apr 1995
- Latest record
- 23 Oct 2018
- Survey events
- 10
Minnow
Phoxinus phoxinus- First record
- 10 Apr 1995
- Latest record
- 23 Oct 2018
- Survey events
- 10
Dace
Leuciscus leuciscus- First record
- 12 Jul 2001
- Latest record
- 23 Oct 2018
- Survey events
- 8
Gudgeon
Gobio gobio- First record
- 26 Jan 1989
- Latest record
- 19 May 2015
- Survey events
- 10
Stone loach
Barbatula barbatula- First record
- 10 Apr 1995
- Latest record
- 19 May 2015
- Survey events
- 9
Pike varieties
Esox lucius- First record
- 31 May 2012
- Latest record
- 31 May 2012
- Survey events
- 1
Golden goldfish
Carassius auratus- First record
- 26 Oct 2008
- Latest record
- 26 Oct 2008
- Survey events
- 1
Tench
Tinca tinca- First record
- 3 Apr 2006
- Latest record
- 3 Apr 2006
- Survey events
- 1
Brown / sea trout
Salmo trutta- First record
- 26 Jan 1989
- Latest record
- 12 Jul 2001
- Survey events
- 4
Grayling
Thymallus thymallus- First record
- 8 Jun 1998
- Latest record
- 12 Jul 2001
- Survey events
- 2
Brook lamprey
Lampetra planeri- First record
- 10 Apr 1995
- Latest record
- 10 Apr 1995
- Survey events
- 1
Rainbow trout
Oncorhynchus mykiss- First record
- 29 Jan 1992
- Latest record
- 29 Jan 1992
- Survey events
- 1
European eels > elvers
Anguilla anguilla- First record
- 26 Jan 1989
- Latest record
- 26 Jan 1989
- 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