Gudgeon · Gobio gobio

Gudgeon in the River Hiz

Largest measured gudgeon: 15.7 cm

The largest gudgeon measured in Environment Agency surveys of the River Hiz was 15.7 cm, recorded at Church End on 10 March 1989.

Across 181 measured gudgeon, the median measured length was 9.3 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 Hiz.

See gudgeon records across England →

Most recent observation18 September 2019Ickleford Common · 2 fish

Largest measured gudgeon: 15.7 cm
Median length: 9.3 cm
Fish measured: 181
Survey locations: 4

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
15.7 cm	10 Mar 1989	Church End	29287
15.3 cm	10 Mar 1989	Church End	29287
14.7 cm	10 Mar 1989	Church End	29287
14.7 cm	10 Mar 1989	Church End	29287
14.7 cm	10 Mar 1989	Church End	29287
13.8 cm	10 Mar 1989	Arlesey Garden	29286
13.8 cm	10 Mar 1989	Arlesey Garden	29286
13.7 cm	10 Mar 1989	Church End	29287
13.7 cm	10 Mar 1989	Church End	29287
13.7 cm	10 Mar 1989	Church End	29287

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
Ickleford Common	18 Sept 2019	18 Sept 2019	1
Amenity Trees Arlesey	25 May 2016	25 May 2016	1
Arlesey Garden	10 Mar 1989	25 May 1998	3
Church End	10 Mar 1989	29 Apr 1998	2

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

1989–2019

Survey records by year

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

289

090

191

092

093

094

095

096

097

298

099

000

001

002

003

004

005

006

007

008

009

010

011

012

013

014

015

116

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 181 measured fish were spread across different length ranges.

Smallest: 5.3 cm
Lower quarter: 8.3 cm
Median: 9.3 cm
Upper quarter: 10.3 cm
Largest: 15.7 cm

0–99 mm

124

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hiz

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

3-spined stickleback Bullhead Pike Stone loach Minnow 10-spined stickleback

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 →