Hertfordshire and North London · Environment Agency surveys
What fish are in the Duke of Northumberland?
Monitoring has recorded 23 species across 6 surveyed sites on this water, between 2000 and 2024. 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 cephalus6 siteslatest 10 Oct 2024
- DaceLeuciscus leuciscus6 siteslatest 10 Oct 2024
- GudgeonGobio gobio6 siteslatest 10 Oct 2024
- RoachRutilus rutilus6 siteslatest 10 Oct 2024
- European eels > elversAnguilla anguilla5 siteslatest 10 Oct 2024
- PikeEsox lucius4 siteslatest 10 Oct 2024
- BleakAlburnus alburnus3 siteslatest 19 Oct 2023
- Common breamAbramis brama3 siteslatest 19 Oct 2023
- MinnowPhoxinus phoxinus3 siteslatest 10 Oct 2024
- 3-spined sticklebackGasterosteus aculeatus2 siteslatest 10 Oct 2024
- European eelAnguilla anguilla2 siteslatest 1 Nov 2010
- PerchPerca fluviatilis2 siteslatest 19 Oct 2023
- Pike varietiesEsox lucius2 siteslatest 6 Oct 2010
- RuddScardinius erythrophthalmus2 siteslatest 10 Oct 2024
- Stone loachBarbatula barbatula2 siteslatest 10 Oct 2024
- TenchTinca tinca2 siteslatest 8 Oct 2024
- Tench varietiesTinca tinca2 siteslatest 6 Oct 2010
- BullheadCottus gobio1 sitelatest 10 Oct 2024
- Common [wild] carpCyprinus carpio1 sitelatest 15 Jun 2000
- European elversAnguilla anguilla1 sitelatest 11 Oct 2016
- Feral [brown] goldfishCarassius auratus1 sitelatest 13 Jun 2000
- Roach x rudd hybridRutilus rutilus x Scardinius erythrophthalmus1 sitelatest 13 Jun 2000
- Silver breamAbramis bjoerkna1 sitelatest 10 Oct 2024
Surveyed sites on this water
6 shown, newest survey first
Riverside Walk
- Survey events
- 6
- Observed taxa
- 13
- Latest survey
- 10 Oct 2024
Hatton Road
- Survey events
- 7
- Observed taxa
- 16
- Latest survey
- 8 Oct 2024
Harlequins
- Survey events
- 3
- Observed taxa
- 6
- Latest survey
- 17 Sept 2019
Twickenham
- Survey events
- 3
- Observed taxa
- 7
- Latest survey
- 17 Sept 2019
Mill Platt
- Survey events
- 3
- Observed taxa
- 8
- Latest survey
- 4 Oct 2017
Moor Lane
- Survey events
- 4
- Observed taxa
- 14
- Latest survey
- 5 Sept 2017
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