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Historic monitoring evidence · Environment Agency

Trerithick

Devon and Cornwall and the Isles of Scilly · survey site

This page records ecological survey evidence. It is not proof of current fish presence, abundance, fishing quality, access, permission or safety at this location.

21survey events
5 Jul 1984first recorded survey
2 Jul 2025latest recorded survey
10observed taxa shown

Observed taxa

What monitoring recorded here

Taxa are ordered by latest survey date. Counts and records reflect monitoring events, not an angling forecast.

Brown / sea trout

Salmo trutta
First record
5 Jul 1984
Latest record
2 Jul 2025
Survey events
18

Atlantic salmon

Salmo salar
First record
5 Jul 1984
Latest record
2 Jul 2025
Survey events
18

Bullhead

Cottus gobio
First record
5 Jul 1984
Latest record
2 Jul 2025
Survey events
18

Brook lamprey ammocoetes

Lampetra planeri
First record
15 Jun 2011
Latest record
2 Jul 2025
Survey events
8

Stone loach

Barbatula barbatula
First record
24 Jun 1996
Latest record
2 Jul 2025
Survey events
4

Minnow

Phoxinus phoxinus
First record
18 Jul 2007
Latest record
2 Jul 2025
Survey events
3

European eels > elvers

Anguilla anguilla
First record
29 Jun 1993
Latest record
6 Jul 2017
Survey events
7

Brown / sea trout x salmon hybrid

Salmo trutta x Salmo salar
First record
24 Jun 2015
Latest record
24 Jun 2015
Survey events
1

European eel

Anguilla anguilla
First record
5 Jul 1984
Latest record
21 Jun 2010
Survey events
5

Brook lamprey

Lampetra planeri
First record
14 Jul 2008
Latest record
21 Jun 2010
Survey events
3

Rules and access

Check before you travel.

Environment Agency ecology records do not carry fishing-rights boundaries or live restrictions. Confirm the fishery owner, permission, local byelaws, seasonal rules, safety notices and current conditions before setting out.

Check live freshwater fishing rules

Provenance

Source, licence and boundary

Open the official dataset