Devon and Cornwall and the Isles of Scilly · Environment Agency surveys
What fish are in the Main Walkham?
Monitoring has recorded 5 species across 17 surveyed sites on this water, between 1983 and 2026. 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.
- Brown / sea troutSalmo trutta17 siteslatest 10 Jun 2026
- Atlantic salmonSalmo salar16 siteslatest 10 Jun 2026
- European eels > elversAnguilla anguilla10 siteslatest 18 Aug 2025
- European eelAnguilla anguilla9 siteslatest 22 Jun 2009
- BullheadCottus gobio8 siteslatest 18 Aug 2025
Surveyed sites on this water
17 shown, newest survey first
Ward Bridge
- Survey events
- 22
- Observed taxa
- 4
- Latest survey
- 10 Jun 2026
Foxhams
- Survey events
- 7
- Observed taxa
- 5
- Latest survey
- 18 Aug 2025
Grenofen
- Survey events
- 10
- Observed taxa
- 5
- Latest survey
- 5 Aug 2025
Merrivale
- Survey events
- 10
- Observed taxa
- 4
- Latest survey
- 22 Jul 2025
D/S Foxhams
- Survey events
- 2
- Observed taxa
- 4
- Latest survey
- 23 Aug 2024
Huckworthy
- Survey events
- 4
- Observed taxa
- 4
- Latest survey
- 23 Aug 2024
Lower Bucktor
- Survey events
- 2
- Observed taxa
- 4
- Latest survey
- 13 Aug 2024
Lower Grenofen
- Survey events
- 2
- Observed taxa
- 4
- Latest survey
- 13 Aug 2024
d/s Bedford Bridge
- Survey events
- 4
- Observed taxa
- 5
- Latest survey
- 23 Jul 2024
D/S Ward Bridge
- Survey events
- 2
- Observed taxa
- 2
- Latest survey
- 13 Jun 2024
100m Upstream Dittisham Weir
- Survey events
- 1
- Observed taxa
- 2
- Latest survey
- 15 Sept 2014
200m Downstream Dittisham Weir
- Survey events
- 1
- Observed taxa
- 2
- Latest survey
- 15 Sept 2014
Downstream Dittisham Natural Barrier
- Survey events
- 1
- Observed taxa
- 3
- Latest survey
- 15 Sept 2014
Upstream Dittisham Natural Barrier
- Survey events
- 1
- Observed taxa
- 2
- Latest survey
- 15 Sept 2014
u/s Greenaballs
- Survey events
- 3
- Observed taxa
- 3
- Latest survey
- 18 Oct 2009
Bucktor
- Survey events
- 3
- Observed taxa
- 4
- Latest survey
- 1 Aug 2002
Heckwood
- Survey events
- 2
- Observed taxa
- 3
- Latest survey
- 30 Jul 1998
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