Gudgeon · Gobio gobio

Gudgeon in the River Reach Lode

Largest measured gudgeon: 10.8 cm

The largest gudgeon measured in Environment Agency surveys of the River Reach Lode was 10.8 cm, recorded at Hallards Fen on 16 November 1987.

Across 19 measured gudgeon, the median measured length was 8.3 cm.

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

See gudgeon records across England →

Most recent observation28 August 2025Reach · 1 fish

Largest measured gudgeon: 10.8 cm
Median length: 8.3 cm
Fish measured: 19
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
10.8 cm	16 Nov 1987	Hallards Fen	29394
10.3 cm	3 Jun 1997	Reach	29399
10.3 cm	3 Jun 1997	Reach	29399
10.3 cm	16 Nov 1987	Hallards Fen	29394
9.8 cm	3 Jun 1997	Reach	29399
9.8 cm	3 Jun 1997	Reach	29399
9.3 cm	3 Jun 1997	Reach	29399
9.3 cm	16 Nov 1987	Hallards Fen	29394
8.3 cm	3 Jun 1997	Reach	29399
8.3 cm	13 May 1993	Hallards Fen	29398

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
Reach	25 Sept 1984	28 Aug 2025	4
Hallards Fen	26 Sept 1984	13 May 1993	4

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

1984–2025

Survey records by year

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

284

085

086

187

088

089

190

091

092

193

094

095

096

197

098

099

000

001

002

003

004

005

006

007

008

009

110

011

012

013

014

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 19 measured fish were spread across different length ranges.

Smallest: 6.3 cm
Lower quarter: 7.6 cm
Median: 8.3 cm
Upper quarter: 9.8 cm
Largest: 10.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Reach Lode

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

Roach European eel Perch Pike Bitterling Common bream

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 →