AnglerRadar evidence & rulesSearch another water

Historic monitoring evidence · Environment Agency

Forty Hall TMG

Hertfordshire and North London · 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.

2survey events
26 Mar 2009first recorded survey
20 Apr 2010latest recorded survey
1observed 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.

Topmouth gudgeon

Pseudorasbora parva
First record
26 Mar 2009
Latest record
20 Apr 2010
Survey events
2

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