Hertfordshire and North London · Environment Agency surveys
What fish are in the Flood Relief?
Monitoring has recorded 12 species across 11 surveyed sites on this water, between 1992 and 2009. These are survey records with dates. They do not establish what is present today, that the water is fishable, or that you have permission to fish it.
Recorded species
What monitoring has found here
Ordered by how many sites on this water recorded the species. A species not listed has not been recorded by these surveys — which is not the same as being absent.
- RoachRutilus rutilus11 siteslatest 16 Apr 2009
- European eelAnguilla anguilla9 siteslatest 16 Apr 2009
- Pike varietiesEsox lucius9 siteslatest 16 Apr 2009
- Tench varietiesTinca tinca9 siteslatest 16 Apr 2009
- PerchPerca fluviatilis8 siteslatest 16 Apr 2009
- BarbelBarbus barbus4 siteslatest 9 Jul 1992
- ChubLeuciscus cephalus4 siteslatest 14 Apr 2009
- RuffeGymnocephalus cernuus4 siteslatest 14 Apr 2009
- BleakAlburnus alburnus3 siteslatest 14 Apr 2009
- Common carp varietiesCyprinus carpio3 siteslatest 16 Apr 2009
- Common breamAbramis brama2 siteslatest 7 Jul 1992
- DaceLeuciscus leuciscus2 siteslatest 23 Jun 1992
Surveyed sites on this water
11 shown, newest survey first
David Stoker - Holyfield Weir
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 16 Apr 2009
Rammey Marsh Sluice - David Stoker
- Survey events
- 1
- Observed taxa
- 9
- Latest survey
- 14 Apr 2009
New Cut
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 9 Jul 1992
Waltham Common
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 7 Jul 1992
Upper Cattlegate
- Survey events
- 1
- Observed taxa
- 7
- Latest survey
- 30 Jun 1992
King George Reseviour
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 23 Jun 1992
Lower Cattlegate
- Survey events
- 1
- Observed taxa
- 7
- Latest survey
- 18 Jun 1992
Holyfield Hall Farm
- Survey events
- 1
- Observed taxa
- 4
- Latest survey
- 16 Jun 1992
Fields Weir
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 6 Jun 1992
Kiora Sluice
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 2 Jun 1992
Nazeing New Road
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 28 May 1992
Provenance
Source and licence
- SourceEnvironment Agency Ecology & Fish Data
- LicenceOpen Government Licence v3.0
- Source copy retrieved23 Jul 2026
- Waterbody nameAs published by the Environment Agency
- Not assertedCurrent presence, access, permission, fishing quality or safety