Hertfordshire and North London · Environment Agency surveys
What fish are in the Stort (Hertfordshire and North London)?
Monitoring has recorded 20 species across 7 surveyed sites on this water, between 2003 and 2025. 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.
- ChubLeuciscus cephalus7 siteslatest 19 Aug 2025
- DaceLeuciscus leuciscus7 siteslatest 19 Aug 2025
- BleakAlburnus alburnus6 siteslatest 19 Aug 2025
- GudgeonGobio gobio6 siteslatest 10 Sept 2019
- PerchPerca fluviatilis6 siteslatest 19 Aug 2025
- Pike varietiesEsox lucius6 siteslatest 17 Aug 2011
- RoachRutilus rutilus6 siteslatest 19 Aug 2025
- Common breamAbramis brama4 siteslatest 10 Sept 2019
- BullheadCottus gobio3 siteslatest 19 Aug 2025
- European eelAnguilla anguilla3 siteslatest 16 Aug 2013
- European eels > elversAnguilla anguilla3 siteslatest 23 Aug 2017
- MinnowPhoxinus phoxinus3 siteslatest 19 Aug 2025
- PikeEsox lucius3 siteslatest 19 Aug 2025
- 3-spined sticklebackGasterosteus aculeatus2 siteslatest 19 Aug 2025
- Stone loachBarbatula barbatula2 siteslatest 19 Aug 2025
- Brown / sea troutSalmo trutta1 sitelatest 19 Aug 2025
- Rudd varietiesScardinius erythrophthalmus1 sitelatest 26 Sept 2005
- Silver breamAbramis bjoerkna1 sitelatest 11 Aug 2009
- TenchTinca tinca1 sitelatest 16 Aug 2006
- Tench varietiesTinca tinca1 sitelatest 16 Aug 2007
Surveyed sites on this water
7 shown, newest survey first
Grange Paddocks
- Survey events
- 13
- Observed taxa
- 14
- Latest survey
- 19 Aug 2025
Briggens Park
- Survey events
- 11
- Observed taxa
- 15
- Latest survey
- 10 Sept 2019
Tednambury Mill (Little Hallingbury Mill)
- Survey events
- 14
- Observed taxa
- 16
- Latest survey
- 24 Aug 2016
Eastwick Loop
- Survey events
- 1
- Observed taxa
- 7
- Latest survey
- 30 Apr 2009
Pishiobury Meander
- Survey events
- 1
- Observed taxa
- 4
- Latest survey
- 29 Apr 2009
Sawbridgeworth Loop
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 29 Apr 2009
Roydon Loop
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 27 Apr 2009
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