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Historic monitoring evidence · Environment Agency

Nether Winchendon - Lower Riffle

Thames · 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.

12survey events
5 Aug 2002first recorded survey
28 Aug 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.

Chub

Leuciscus cephalus
First record
5 Aug 2002
Latest record
28 Aug 2025
Survey events
12

Dace

Leuciscus leuciscus
First record
5 Aug 2002
Latest record
28 Aug 2025
Survey events
12

Roach

Rutilus rutilus
First record
5 Aug 2002
Latest record
28 Aug 2025
Survey events
11

Bleak

Alburnus alburnus
First record
5 Aug 2002
Latest record
28 Aug 2025
Survey events
10

Gudgeon

Gobio gobio
First record
5 Aug 2002
Latest record
18 Aug 2017
Survey events
11

Pike

Esox lucius
First record
9 Sept 2003
Latest record
18 Aug 2017
Survey events
10

Perch

Perca fluviatilis
First record
9 Sept 2003
Latest record
18 Aug 2017
Survey events
8

Common bream

Abramis brama
First record
16 Sept 2004
Latest record
24 Sept 2010
Survey events
5

Tench

Tinca tinca
First record
9 Sept 2003
Latest record
13 Sept 2007
Survey events
3

Barbel

Barbus barbus
First record
5 Sept 2006
Latest record
5 Sept 2006
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.

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Provenance

Source, licence and boundary

Open the official dataset