Historic monitoring evidence · Environment Agency
Oath Lock
Wessex · 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.
European eels > elvers
Anguilla anguilla- First record
- 16 Aug 2011
- Latest record
- 31 Jul 2025
- Survey events
- 14
Ruffe
Gymnocephalus cernuus- First record
- 13 Aug 2009
- Latest record
- 10 Aug 2023
- Survey events
- 15
Perch
Perca fluviatilis- First record
- 12 Aug 2009
- Latest record
- 10 Aug 2023
- Survey events
- 15
Roach
Rutilus rutilus- First record
- 12 Aug 2009
- Latest record
- 9 Aug 2023
- Survey events
- 8
Pike
Esox lucius- First record
- 1 Sept 2021
- Latest record
- 1 Sept 2021
- Survey events
- 1
Gudgeon
Gobio gobio- First record
- 14 Aug 2009
- Latest record
- 8 Aug 2019
- Survey events
- 10
European eel
Anguilla anguilla- First record
- 12 Aug 2009
- Latest record
- 6 Aug 2019
- Survey events
- 7
Flounder
Platichthys flesus- First record
- 13 Aug 2009
- Latest record
- 6 Aug 2019
- Survey events
- 2
Silver bream
Abramis bjoerkna- First record
- 12 Aug 2009
- Latest record
- 8 Aug 2013
- Survey events
- 4
Common carp varieties
Cyprinus carpio- First record
- 8 Aug 2013
- Latest record
- 8 Aug 2013
- Survey events
- 1
Lamprey sp.
Petromyzontidae- First record
- 6 Aug 2013
- Latest record
- 6 Aug 2013
- Survey events
- 1
Pike varieties
Esox lucius- First record
- 13 Aug 2009
- Latest record
- 13 Aug 2009
- 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