ARAnglerRadar evidence & rules

Quin fishing evidence · Hertfordshire and North London

What fish are in the Quin?

Monitoring has recorded 10 species across 3 surveyed sites on this water, between 2006 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.

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

Quin

EA ecology area
Hertfordshire and North London
Waterbody IDs
GB106038040120
Catchments
Lee
02 · Survey breadth

3 sites · 14 events

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

03 · Freshness by site

Latest 2 Oct 2025

Within 2 years
1 sites
3–5 years
1 sites
6–10 years
1 sites
Older
0 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. Brook lampreyLampetra planeri3 siteslatest 28 Oct 2021
  2. Brown / sea troutSalmo trutta3 siteslatest 2 Oct 2025
  3. 3-spined sticklebackGasterosteus aculeatus2 siteslatest 2 Oct 2025
  4. Brook lamprey > ammocoeteLampetra planeri2 siteslatest 2 Oct 2025
  5. BullheadCottus gobio2 siteslatest 2 Oct 2025
  6. Brook lamprey ammocoetesLampetra planeri1 sitelatest 14 Oct 2019
  7. Lamprey sp. > ammocoetePetromyzontidae1 sitelatest 31 Oct 2022
  8. MinnowPhoxinus phoxinus1 sitelatest 2 Oct 2025
  9. PerchPerca fluviatilis1 sitelatest 28 Oct 2021
  10. Stone loachBarbatula barbatula1 sitelatest 5 Oct 2022

Surveyed sites on this water

3 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