Lampetra fluviatilis · England
Where river lamprey > ammocoete has been recorded
Environment Agency surveys have recorded river lamprey > ammocoete at 70 sites across 34 waters, between 2003 and 2023. These are monitoring records with dates. They do not establish what is present today, nor that you may fish for it.
Waters
Rivers with the most records
Ordered by how many surveyed sites on each water recorded it. Waters with their own page are linked.
- River Wear (North East)8 siteslatest 13 Jul 2011
- River Aln7 siteslatest 11 Jul 2013
- River Wansbeck7 siteslatest 24 Jul 2013
- River Coquet (North East)6 siteslatest 13 Jul 2013
- River Derwent (Cumbria and Lancashire)3 siteslatest 31 Jul 2013
- Gowy2 siteslatest 16 Apr 2003
- Lymn FMU2 siteslatest 17 Jun 2004
- River Dove (West Midlands)2 siteslatest 3 Oct 2013
- River Esk2 siteslatest 17 Oct 2017
- River Frome (West Midlands)2 siteslatest 7 Sept 2018
- River Hull2 siteslatest 12 Oct 2005
- River Leadon2 siteslatest 7 Sept 2012
- River Pont2 siteslatest 26 Jul 2013
- Stiffkey2 siteslatest 23 Apr 2014
- Wreigh Burn2 siteslatest 13 Aug 2013
- Bedburn Beck1 sitelatest 21 Aug 2011
- Ell Brook1 sitelatest 18 Aug 2005
- Elsdon Burn1 sitelatest 9 Jul 2009
- Gayton Brook1 sitelatest 12 Oct 2016
- Glaven (East Anglia)1 sitelatest 7 Jul 2017
- Great Ouse (East Anglia)1 sitelatest 3 Dec 2009
- Houxty Burn1 sitelatest 7 Sept 2009
- MainTyne1 sitelatest 9 Oct 2008
- Murk Esk1 sitelatest 16 Oct 2017
- Riding Mill1 sitelatest 19 Mar 2008
- River Blyth (North East)1 sitelatest 4 Jul 2011
- River Gaunless1 sitelatest 4 Aug 2011
- River Little Avon1 sitelatest 1 Sept 2005
- River Rede1 sitelatest 12 Jul 2009
- River Tees (North East)1 sitelatest 17 Oct 2023
- River Teme1 sitelatest 14 Sept 2021
- River Till (North East)1 sitelatest 27 Aug 2015
- Ross Low1 sitelatest 8 Jul 2011
- South Tyne (North East)1 sitelatest 23 Aug 2011
Distribution
By ecology region
- North East47 sites
- West Midlands9 sites
- Yorkshire5 sites
- East Anglia4 sites
- Lincolnshire and Northamptonshire2 sites
- Greater Manchester Merseyside and Cheshire2 sites
- Wessex1 sites
Regions are the Environment Agency’s own ecology areas. Survey effort is not even across them, so a higher count can reflect more monitoring rather than more fish.
Provenance
Source and licence
- SourceEnvironment Agency Ecology & Fish Data
- LicenceOpen Government Licence v3.0
- Source copy retrieved23 Jul 2026
- Not assertedCurrent presence, abundance, access, permission or fishing quality