ARAnglerRadar evidence & rules

River Cocker fishing evidence · Cumbria and Lancashire

What fish are in the River Cocker?

Monitoring has recorded 5 species across 22 surveyed sites on this water, between 2001 and 2023. 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

River Cocker

EA ecology area
Cumbria and Lancashire
Waterbody IDs
GB112072065880 · GB112075070350 · GB112075070370 · GB112075070390 · GB112075070400 · GB112075073570
Catchments
River Cocker · River Derwent
02 · Survey breadth

22 sites · 82 events

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

03 · Freshness by site

Latest 7 Aug 2023

Within 2 years
0 sites
3–5 years
4 sites
6–10 years
0 sites
Older
18 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. Brown / sea troutSalmo trutta21 siteslatest 7 Aug 2023
  2. Atlantic salmonSalmo salar19 siteslatest 10 Jul 2023
  3. European eels > elversAnguilla anguilla17 siteslatest 7 Aug 2023
  4. European eelAnguilla anguilla15 siteslatest 13 Aug 2014
  5. European elversAnguilla anguilla15 siteslatest 7 Jul 2023

Surveyed sites on this water

22 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
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