ARAnglerRadar evidence & rules

Main Claw fishing evidence · Devon and Cornwall and the Isles of Scilly

What fish are in the Main Claw?

Monitoring has recorded 8 species across 11 surveyed sites on this water, between 1984 and 2022. 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.

River evidence passport

Four signals, kept deliberately separate.

The passport shows identity, survey breadth, evidence freshness and trip constraints without turning unlike facts into an opaque “best river” score.

01 · Identity

Main Claw

EA ecology area
Devon and Cornwall and the Isles of Scilly
Waterbody IDs
GB108047008060
Catchments
Tamar
02 · Survey breadth

11 sites · 29 events

8 positive taxa aggregates are shown. More survey coverage is not a fishing-quality verdict.

03 · Freshness by site

Latest 9 Jun 2022

Within 2 years
0 sites
3–5 years
3 sites
6–10 years
0 sites
Older
8 sites

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 salar9 siteslatest 9 Jun 2022
  2. Brown / sea troutSalmo trutta8 siteslatest 9 Jun 2022
  3. BullheadCottus gobio4 siteslatest 9 Jun 2022
  4. MinnowPhoxinus phoxinus4 siteslatest 9 Jun 2022
  5. Brook lampreyLampetra planeri3 siteslatest 15 Jun 2010
  6. Brook lamprey ammocoetesLampetra planeri3 siteslatest 9 Jun 2022
  7. Stone loachBarbatula barbatula2 siteslatest 9 Jun 2022
  8. European eels > elversAnguilla anguilla1 sitelatest 7 Jun 2016

Surveyed sites on this water

11 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