East Anglia · Environment Agency surveys
What fish are in the Grand Union Canal?
Monitoring has recorded 26 species across 36 surveyed sites on this water, between 1986 and 2013. 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.
- PerchPerca fluviatilis36 siteslatest 16 Sept 2013
- RoachRutilus rutilus34 siteslatest 4 Jun 2013
- Common breamAbramis brama27 siteslatest 1 Feb 1994
- GudgeonGobio gobio27 siteslatest 16 Sept 2013
- RuffeGymnocephalus cernuus17 siteslatest 1 Feb 1994
- PikeEsox lucius16 siteslatest 16 Sept 2013
- Roach x common bream hybridRutilus rutilus x Abramis brama13 siteslatest 1 Feb 1994
- Pike varietiesEsox lucius10 siteslatest 21 Apr 1988
- European eelAnguilla anguilla9 siteslatest 4 Jun 2013
- BullheadCottus gobio8 siteslatest 31 Jan 1994
- DaceLeuciscus leuciscus8 siteslatest 1 Feb 1994
- TenchTinca tinca7 siteslatest 4 Apr 1990
- Common [wild] carpCyprinus carpio6 siteslatest 4 Jun 2013
- RuddScardinius erythrophthalmus6 siteslatest 1 Feb 1994
- Tench varietiesTinca tinca6 siteslatest 21 Apr 1988
- ChubLeuciscus cephalus5 siteslatest 16 Sept 2013
- Silver breamAbramis bjoerkna5 siteslatest 23 Dec 1993
- BleakAlburnus alburnus4 siteslatest 23 Dec 1993
- Mirror carpCyprinus carpio4 siteslatest 24 Nov 1993
- Rudd varietiesScardinius erythrophthalmus4 siteslatest 29 Mar 1988
- Crucian carpCarassius carassius3 siteslatest 25 Mar 1988
- 3-spined sticklebackGasterosteus aculeatus2 siteslatest 16 Sept 2013
- Common carp varietiesCyprinus carpio2 siteslatest 23 Mar 1988
- MinnowPhoxinus phoxinus2 siteslatest 16 Sept 2013
- Spined loachCobitis taenia1 sitelatest 30 Mar 1990
- Stone loachBarbatula barbatula1 sitelatest 23 Dec 1993
Surveyed sites on this water
36 shown, newest survey first
Springwell Backwater
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 16 Sept 2013
U/S Coppermill Lock to Springwell Lock
- Survey events
- 1
- Observed taxa
- 3
- Latest survey
- 4 Jun 2013
u/s Widewater Lock
- Survey events
- 1
- Observed taxa
- 4
- Latest survey
- 4 Jun 2013
Cosgrove
- Survey events
- 2
- Observed taxa
- 11
- Latest survey
- 1 Feb 1994
Stoke Bruerne
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 31 Jan 1994
Grafton Regis
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 28 Jan 1994
Yardley Gobion GUC
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 23 Dec 1993
Wolverton
- Survey events
- 2
- Observed taxa
- 9
- Latest survey
- 22 Dec 1993
Bradwell Waste Tip
- Survey events
- 2
- Observed taxa
- 11
- Latest survey
- 20 Dec 1993
Linford Manor Park
- Survey events
- 2
- Observed taxa
- 11
- Latest survey
- 17 Dec 1993
Woolstone
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 16 Dec 1993
Simpson
- Survey events
- 2
- Observed taxa
- 6
- Latest survey
- 15 Dec 1993
Water Eaton
- Survey events
- 2
- Observed taxa
- 8
- Latest survey
- 14 Dec 1993
Three Locks
- Survey events
- 2
- Observed taxa
- 8
- Latest survey
- 13 Dec 1993
Old Linslade
- Survey events
- 1
- Observed taxa
- 7
- Latest survey
- 7 Dec 1993
Grove Lock
- Survey events
- 2
- Observed taxa
- 6
- Latest survey
- 2 Dec 1993
Stoke Hammond
- Survey events
- 2
- Observed taxa
- 8
- Latest survey
- 30 Nov 1993
Leighton Buzzard Canal
- Survey events
- 2
- Observed taxa
- 8
- Latest survey
- 29 Nov 1993
Ivinghoe Lock
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 24 Nov 1993
Slough Arm at Iver North STW
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 26 Apr 1988
Hunton Bridge
- Survey events
- 1
- Observed taxa
- 7
- Latest survey
- 21 Apr 1988
Hanwell
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 29 Mar 1988
Kensal Road
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 25 Mar 1988
Victoria Park
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 23 Mar 1988
Coppermill Lane, Rickmansworth
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 18 Mar 1988
Cassiobury Park u/s Lock
- Survey events
- 1
- Observed taxa
- 8
- Latest survey
- 9 Mar 1988
Stockers Farm
- Survey events
- 1
- Observed taxa
- 9
- Latest survey
- 8 Mar 1988
Winkwell Lane, Bourne End
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 3 Mar 1988
Slough Arm at B470 Road
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 29 Feb 1988
Stockley Road
- Survey events
- 1
- Observed taxa
- 4
- Latest survey
- 5 Nov 1987
Horsendon Lane
- Survey events
- 1
- Observed taxa
- 9
- Latest survey
- 5 Jun 1987
Bankside
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 3 Jun 1987
The Common
- Survey events
- 1
- Observed taxa
- 3
- Latest survey
- 13 May 1987
Berkhamsted
- Survey events
- 2
- Observed taxa
- 8
- Latest survey
- 4 Apr 1987
Johnsons Lock
- Survey events
- 1
- Observed taxa
- 7
- Latest survey
- 17 Mar 1987
York Way
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 9 Dec 1986
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