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Historic monitoring evidence · Environment Agency

Mainstone Farm

Solent and South Downs · 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.

18survey events
12 Aug 2010first recorded survey
11 Sept 2025latest recorded survey
9observed 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.

European eel

Anguilla anguilla
First record
12 Aug 2010
Latest record
11 Sept 2025
Survey events
11

Atlantic salmon

Salmo salar
First record
12 Aug 2010
Latest record
11 Sept 2025
Survey events
9

Minnow

Phoxinus phoxinus
First record
25 Aug 2016
Latest record
11 Sept 2025
Survey events
9

Brook lamprey ammocoetes

Lampetra planeri
First record
31 Aug 2018
Latest record
11 Sept 2025
Survey events
9

Bullhead

Cottus gobio
First record
25 Aug 2016
Latest record
11 Sept 2025
Survey events
7

Stone loach

Barbatula barbatula
First record
26 Sept 2019
Latest record
11 Sept 2025
Survey events
6

Brown / sea trout

Salmo trutta
First record
23 Sept 2020
Latest record
11 Sept 2025
Survey events
3

3-spined stickleback

Gasterosteus aculeatus
First record
26 Sept 2019
Latest record
11 Sept 2024
Survey events
2

Chub

Leuciscus cephalus
First record
16 Sept 2021
Latest record
16 Sept 2021
Survey events
1

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