ARAnglerRadar evidence & rules

Glaven upper fishing evidence · East Anglia

What fish are in the Glaven upper (East Anglia)?

Monitoring has recorded 8 species across 9 surveyed sites on this water, between 2003 and 2014. 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

Glaven upper (East Anglia)

EA ecology area
East Anglia
Waterbody IDs
GB105034055780
Catchments
Glaven catchment
02 · Survey breadth

9 sites · 13 events

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

03 · Freshness by site

Latest 5 Dec 2014

Within 2 years
0 sites
3–5 years
0 sites
6–10 years
0 sites
Older
9 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. 3-spined sticklebackGasterosteus aculeatus5 siteslatest 5 Dec 2014
  2. BullheadCottus gobio5 siteslatest 5 Dec 2014
  3. RoachRutilus rutilus3 siteslatest 6 Feb 2003
  4. Brook lampreyLampetra planeri2 siteslatest 3 Apr 2008
  5. European eelAnguilla anguilla2 siteslatest 3 Apr 2008
  6. PerchPerca fluviatilis2 siteslatest 5 Dec 2014
  7. European eels > elversAnguilla anguilla1 sitelatest 5 Dec 2014
  8. PikeEsox lucius1 sitelatest 23 Jan 2003

Surveyed sites on this water

9 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