Devon and Cornwall and the Isles of Scilly · Environment Agency surveys
What fish are in the Main River Lew (Devon and Cornwall and the Isles of Scilly)?
Monitoring has recorded 14 species across 4 surveyed sites on this water, between 1997 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 salar4 siteslatest 8 Aug 2025
- Brown / sea troutSalmo trutta4 siteslatest 8 Aug 2025
- BullheadCottus gobio4 siteslatest 8 Aug 2025
- MinnowPhoxinus phoxinus4 siteslatest 16 Jul 2025
- Stone loachBarbatula barbatula4 siteslatest 8 Aug 2025
- European eelAnguilla anguilla2 siteslatest 13 Jul 2015
- European eels > elversAnguilla anguilla2 siteslatest 8 Aug 2025
- Lamprey sp. ammocoetesPetromyzontidae2 siteslatest 8 Aug 2025
- 3-spined sticklebackGasterosteus aculeatus1 sitelatest 7 Aug 2024
- Brook lampreyLampetra planeri1 sitelatest 21 Aug 2014
- European elversAnguilla anguilla1 sitelatest 1 Aug 2024
- GudgeonGobio gobio1 sitelatest 7 Aug 2024
- Lamprey sp.Petromyzontidae1 sitelatest 14 Sept 2018
- RoachRutilus rutilus1 sitelatest 21 Aug 2014
Surveyed sites on this water
4 shown, newest survey first
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