Gudgeon · Gobio gobio

Gudgeon in the Elstow Brook

Largest measured gudgeon: 14.3 cm

The largest gudgeon measured in Environment Agency surveys of the Elstow Brook was 14.3 cm, recorded at Harrowden on 17 July 1989.

Across 660 measured gudgeon, the median measured length was 9.4 cm.

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

See gudgeon records across England →

Most recent observation29 August 2024Willington · 36 fish

Largest measured gudgeon: 14.3 cm
Median length: 9.4 cm
Fish measured: 660
Survey locations: 7

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
14.3 cm	17 Jul 1989	Harrowden	29097
13.9 cm	29 Aug 2024	Willington	166518
13.8 cm	3 Sept 2014	Elstow Moor	142513
13.6 cm	29 Aug 2024	Willington	166518
13.4 cm	3 Sept 2014	Elstow Moor	142513
13.3 cm	1 Jul 1998	Harrowden	29103
13.1 cm	1 Aug 2013	Willington	137666
13 cm	29 Aug 2024	Willington	166518
12.8 cm	1 Jul 1998	Harrowden	29103
12.8 cm	23 Jul 1992	Harrowden	29100

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
Willington	21 Jul 1989	29 Aug 2024	9
Elstow Moor	3 Sept 2014	14 Aug 2024	4
Hardwick Bridge	24 Mar 2011	24 Mar 2011	1
Harrowden Bridge	6 May 2003	6 May 2003	1
DS Hardwick Bridge	6 May 2003	6 May 2003	1
Cardington	18 Jul 1989	3 Jul 1998	3
Harrowden	17 Jul 1989	1 Jul 1998	3

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

1989–2024

Survey records by year

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

389

090

091

392

093

094

095

096

097

398

099

000

001

002

303

004

005

106

007

008

009

010

111

012

113

114

215

016

017

018

019

020

221

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 660 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 8.3 cm
Median: 9.5 cm
Upper quarter: 10.3 cm
Largest: 14.3 cm

0–99 mm

424

100–199 mm

236

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Elstow Brook

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

Stone loach Chub Minnow Roach Bullhead Spined loach

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 →