Gudgeon · Gobio gobio

Gudgeon in the Fleet Brook

Largest measured gudgeon: 15 cm

The largest gudgeon measured in Environment Agency surveys of the Fleet Brook was 15 cm, recorded at Bakers Bridge on 28 March 2013.

Across 70 measured gudgeon, the median measured length was 11.6 cm.

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

See gudgeon records across England →

Most recent observation28 April 2026Bakers Bridge · 41 fish

Largest measured gudgeon: 15 cm
Median length: 11.6 cm
Fish measured: 70
Survey locations: 2

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
15 cm	28 Mar 2013	Bakers Bridge	135817
14 cm	24 Apr 2003	Elvetham Estate	76048
13.7 cm	24 Apr 2003	Elvetham Estate	76048
13.6 cm	24 Apr 2003	Elvetham Estate	76048
13.6 cm	24 Apr 2003	Elvetham Estate	76048
13.6 cm	24 Apr 2003	Elvetham Estate	76048
13.5 cm	24 Apr 2003	Elvetham Estate	76048
13.4 cm	24 Apr 2003	Elvetham Estate	76048
13.2 cm	24 Apr 2003	Elvetham Estate	76048
13.2 cm	24 Apr 2003	Elvetham Estate	76048

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
Bakers Bridge	8 Apr 2010	28 Apr 2026	3
Elvetham Estate	10 May 1993	24 Apr 2003	2

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

1993–2026

Survey records by year

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

193

094

095

096

097

098

099

000

001

002

103

004

005

006

007

008

009

110

011

012

113

014

015

016

017

018

019

020

021

022

023

024

025

126

Fish measured by surveyors

Measured length distribution

See how the 70 measured fish were spread across different length ranges.

Smallest: 7.2 cm
Lower quarter: 10 cm
Median: 11.6 cm
Upper quarter: 12.8 cm
Largest: 15 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Fleet Brook

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

Perch Pike Dace Roach Chub

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 →