Gudgeon · Gobio gobio

Gudgeon in the Main River Waldon

Largest measured gudgeon: 11.3 cm

The largest gudgeon measured in Environment Agency surveys of the Main River Waldon was 11.3 cm, recorded at Thornbury Bridge (Sp) on 24 July 2024.

This is the only individual gudgeon length in the dataset for this river.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Main River Waldon.

See gudgeon records across England →

Most recent observation24 July 2024Thornbury Bridge (Sp) · 1 fish

Largest measured gudgeon: 11.3 cm
Length sample: 1 fish
Survey records: 9
Survey locations: 5

Individual EA measurements

Largest measured gudgeon

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
11.3 cm	24 Jul 2024	Thornbury Bridge (Sp)	165817

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where gudgeon were found

Each point marks a survey location with at least one gudgeon record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyed	First recorded	Last recorded	Visits finding gudgeon
Thornbury Bridge (Sp)	24 Jul 2024	24 Jul 2024	1
Sutcombe Mill (Te)	14 Jul 2003	12 Jun 2006	3
Henscott Bridge (Sp)*	27 Aug 1998	27 Sept 2002	2
Instaple (Sp)	11 Aug 1997	10 Aug 1998	2
Upstream Waldon Bridge (Sp)*	12 Aug 1997	12 Aug 1997	1

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1997–2024

Survey records by year

Each bar shows how many survey visits recorded gudgeon that year.

297

298

099

000

001

102

103

004

105

106

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Recorded length

One individual length was recorded for this fish and river.

Recorded length: 11.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Waldon

Compare other species with enough survey and measurement data for a detailed page.

Brown / sea trout Bullhead Atlantic salmon Minnow Stone loach European eel

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →