ARAnglerRadar evidence & rules

Devon and Cornwall and the Isles of Scilly · Environment Agency surveys

What fish are in the Main Lew (Devon and Cornwall and the Isles of Scilly)?

Monitoring has recorded 13 species across 7 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.

  1. Atlantic salmonSalmo salar7 siteslatest 19 Aug 2025
  2. Brown / sea troutSalmo trutta7 siteslatest 19 Aug 2025
  3. European eelAnguilla anguilla5 siteslatest 19 Aug 2010
  4. BullheadCottus gobio4 siteslatest 19 Aug 2025
  5. European eels > elversAnguilla anguilla4 siteslatest 19 Aug 2025
  6. Stone loachBarbatula barbatula4 siteslatest 11 Aug 2025
  7. Brook lamprey ammocoetesLampetra planeri3 siteslatest 19 Aug 2025
  8. MinnowPhoxinus phoxinus3 siteslatest 19 Aug 2025
  9. Brook lamprey > ammocoeteLampetra planeri2 siteslatest 21 Aug 2023
  10. GraylingThymallus thymallus2 siteslatest 3 Aug 2022
  11. Brook lampreyLampetra planeri1 sitelatest 19 Aug 2010
  12. European elversAnguilla anguilla1 sitelatest 19 Aug 2025
  13. PerchPerca fluviatilis1 sitelatest 10 Aug 2017

Surveyed sites on this water

7 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