Gudgeon · Gobio gobio

Gudgeon in the Sandon Brook (West Arm)

Largest measured gudgeon: 13.6 cm

The largest gudgeon measured in Environment Agency surveys of the Sandon Brook (West Arm) was 13.6 cm, recorded at Down House Farm on 20 February 1998.

Across 27 measured gudgeon, the median measured length was 10 cm.

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

See gudgeon records across England →

Most recent observation15 February 2012Sandon A12 · 1 fish

Largest measured gudgeon: 13.6 cm
Median length: 10 cm
Fish measured: 27
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
13.6 cm	20 Feb 1998	Down House Farm	13419
12.2 cm	15 Feb 2012	Sandon A12	130107
11.7 cm	20 Feb 1998	Down House Farm	13419
11.5 cm	20 Feb 1998	Down House Farm	13419
11.3 cm	20 Feb 1998	Down House Farm	13419
11.1 cm	20 Feb 1998	Down House Farm	13419
11 cm	20 Feb 1998	Down House Farm	13419
11 cm	20 Feb 1998	Down House Farm	13419
10.8 cm	20 Feb 1998	Down House Farm	13419
10.7 cm	20 Feb 1998	Down House Farm	13419

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
Sandon A12	24 Feb 1998	15 Feb 2012	3
Down House Farm	20 Feb 1998	14 Feb 2005	2

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

1998–2012

Survey records by year

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

298

099

000

001

002

003

004

205

006

007

008

009

010

011

112

Fish measured by surveyors

Measured length distribution

See how the 27 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 8.5 cm
Median: 10 cm
Upper quarter: 11 cm
Largest: 13.6 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sandon Brook (West Arm)

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

Bullhead Minnow

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 →