ARAnglerRadar evidence & rules

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

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

Monitoring has recorded 15 species across 21 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 salar20 siteslatest 8 Sept 2025
  2. Brown / sea troutSalmo trutta19 siteslatest 8 Sept 2025
  3. BullheadCottus gobio15 siteslatest 8 Sept 2025
  4. European eelAnguilla anguilla12 siteslatest 24 Aug 2010
  5. European eels > elversAnguilla anguilla12 siteslatest 8 Sept 2025
  6. Stone loachBarbatula barbatula11 siteslatest 8 Sept 2025
  7. Brook lamprey ammocoetesLampetra planeri9 siteslatest 8 Sept 2025
  8. MinnowPhoxinus phoxinus8 siteslatest 8 Sept 2025
  9. Brook lampreyLampetra planeri6 siteslatest 2 Sept 2010
  10. GraylingThymallus thymallus6 siteslatest 7 Jul 2025
  11. European elversAnguilla anguilla5 siteslatest 8 Sept 2025
  12. Brook lamprey > ammocoeteLampetra planeri3 siteslatest 21 Sept 2021
  13. Lamprey sp.Petromyzontidae1 sitelatest 23 Jun 2008
  14. Lamprey sp. > ammocoetePetromyzontidae1 sitelatest 17 Aug 2011
  15. Lamprey sp. ammocoetesPetromyzontidae1 sitelatest 17 Aug 2011

Surveyed sites on this water

21 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