Devon and Cornwall and the Isles of Scilly · Environment Agency surveys
What fish are in the Main Ottery?
Monitoring has recorded 14 species across 17 surveyed sites on this water, between 1984 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.
- Atlantic salmonSalmo salar17 siteslatest 28 Jul 2025
- Brown / sea troutSalmo trutta17 siteslatest 28 Jul 2025
- BullheadCottus gobio11 siteslatest 28 Jul 2025
- MinnowPhoxinus phoxinus10 siteslatest 28 Jul 2025
- Stone loachBarbatula barbatula10 siteslatest 28 Jul 2025
- Brook lamprey ammocoetesLampetra planeri8 siteslatest 28 Jul 2025
- GraylingThymallus thymallus6 siteslatest 20 Jul 2021
- Brook lampreyLampetra planeri5 siteslatest 7 Jul 2010
- European eelAnguilla anguilla5 siteslatest 8 Aug 2008
- European eels > elversAnguilla anguilla5 siteslatest 10 Sept 2015
- 3-spined sticklebackGasterosteus aculeatus3 siteslatest 20 Aug 2013
- DaceLeuciscus leuciscus2 siteslatest 7 Jul 2010
- Brook lamprey > ammocoeteLampetra planeri1 sitelatest 10 Sept 2015
- Lamprey sp.Petromyzontidae1 sitelatest 28 Jul 2008
Surveyed sites on this water
17 shown, newest survey first
D/S Trengune Br
- Survey events
- 14
- Observed taxa
- 9
- Latest survey
- 28 Jul 2025
Penrose
- Survey events
- 13
- Observed taxa
- 7
- Latest survey
- 9 Aug 2024
Yeolmbridge Green
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 2 Oct 2023
High Wires
- Survey events
- 8
- Observed taxa
- 7
- Latest survey
- 16 Aug 2023
U/S Hellescott
- Survey events
- 1
- Observed taxa
- 5
- Latest survey
- 11 Aug 2023
Trengune Dip
- Survey events
- 1
- Observed taxa
- 3
- Latest survey
- 30 Jun 2023
Otterham Mill
- Survey events
- 9
- Observed taxa
- 6
- Latest survey
- 24 May 2022
Yeolm Bridge
- Survey events
- 9
- Observed taxa
- 12
- Latest survey
- 13 Oct 2021
Hellescott
- Survey events
- 7
- Observed taxa
- 9
- Latest survey
- 20 Jul 2021
Downstream Yeolm Bridge
- Survey events
- 1
- Observed taxa
- 9
- Latest survey
- 10 Sept 2015
Penheale
- Survey events
- 13
- Observed taxa
- 12
- Latest survey
- 30 Jun 2011
Trengune
- Survey events
- 9
- Observed taxa
- 3
- Latest survey
- 17 Jul 2006
Werrington Park
- Survey events
- 3
- Observed taxa
- 3
- Latest survey
- 1 Jul 2003
Canworthy Water
- Survey events
- 4
- Observed taxa
- 3
- Latest survey
- 17 Sept 2001
Braywood Farm
- Survey events
- 3
- Observed taxa
- 3
- Latest survey
- 30 Aug 1996
Trevillian
- Survey events
- 3
- Observed taxa
- 3
- Latest survey
- 24 Jul 1996
u/s Trengune Bridge
- Survey events
- 1
- Observed taxa
- 2
- Latest survey
- 11 Aug 1993
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