Wessex · Environment Agency surveys
What fish are in the Main River Isle?
Monitoring has recorded 25 species across 15 surveyed sites on this water, between 1992 and 2022. 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.
- European eelAnguilla anguilla13 siteslatest 25 Jul 2013
- ChubLeuciscus cephalus11 siteslatest 23 Jun 2022
- DaceLeuciscus leuciscus11 siteslatest 16 Jun 2022
- MinnowPhoxinus phoxinus11 siteslatest 30 Jun 2022
- RoachRutilus rutilus11 siteslatest 23 Jun 2022
- Stone loachBarbatula barbatula11 siteslatest 30 Jun 2022
- Brown / sea troutSalmo trutta10 siteslatest 30 Jun 2022
- BullheadCottus gobio10 siteslatest 30 Jun 2022
- GudgeonGobio gobio10 siteslatest 16 Jun 2022
- PerchPerca fluviatilis9 siteslatest 30 Jun 2022
- 3-spined sticklebackGasterosteus aculeatus8 siteslatest 30 Jun 2022
- PikeEsox lucius8 siteslatest 23 Jun 2022
- European eels > elversAnguilla anguilla7 siteslatest 30 Jun 2022
- Common breamAbramis brama5 siteslatest 23 Jun 2022
- European elversAnguilla anguilla4 siteslatest 20 Jul 2007
- RuddScardinius erythrophthalmus3 siteslatest 23 Jun 2022
- Lampetra sp.Lampetra2 siteslatest 30 Jun 2022
- Rainbow troutOncorhynchus mykiss2 siteslatest 17 Jul 1997
- Lamprey sp.Petromyzontidae1 sitelatest 2 Jun 2006
- Lamprey sp. ammocoetesPetromyzontidae1 sitelatest 16 Jun 2022
- Motherless minnow / SunbleakLeucaspius delineatus1 sitelatest 23 Jun 2022
- Roach x common bream hybridRutilus rutilus x Abramis brama1 sitelatest 11 Jul 2007
- RuffeGymnocephalus cernuus1 sitelatest 22 Apr 1997
- Silver breamAbramis bjoerkna1 sitelatest 23 Jun 2022
- TenchTinca tinca1 sitelatest 12 May 2003
Surveyed sites on this water
15 shown, newest survey first
Hort Bridge
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 30 Jun 2022
Midelney
- Survey events
- 6
- Observed taxa
- 15
- Latest survey
- 23 Jun 2022
Cocks Bridge (Te)
- Survey events
- 15
- Observed taxa
- 18
- Latest survey
- 16 Jun 2022
Ashford Farm (Te)
- Survey events
- 14
- Observed taxa
- 13
- Latest survey
- 14 Jun 2022
Ilford Bridges (Te)
- Survey events
- 11
- Observed taxa
- 12
- Latest survey
- 23 Jun 2016
U/s Chard STW
- Survey events
- 1
- Observed taxa
- 6
- Latest survey
- 10 Apr 2013
Hambridge
- Survey events
- 3
- Observed taxa
- 13
- Latest survey
- 24 May 2011
Isle Brewers
- Survey events
- 3
- Observed taxa
- 9
- Latest survey
- 21 May 2008
Manor Farm, Knowle St. Giles (Se-06)
- Survey events
- 3
- Observed taxa
- 7
- Latest survey
- 2 Jun 2006
Bere Mills
- Survey events
- 2
- Observed taxa
- 7
- Latest survey
- 17 Jul 1997
Court Mill, Wadeford
- Survey events
- 2
- Observed taxa
- 3
- Latest survey
- 11 Jul 1997
Donyatt
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 7 Jul 1997
Winterhay Lane
- Survey events
- 2
- Observed taxa
- 10
- Latest survey
- 4 Jul 1997
D/S Westport Canal
- Survey events
- 2
- Observed taxa
- 11
- Latest survey
- 22 Apr 1997
Earnshill House
- Survey events
- 1
- Observed taxa
- 9
- Latest survey
- 19 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