Gudgeon · Gobio gobio

Gudgeon in the River Adur West Arm

Largest measured gudgeon: 12.2 cm

The largest gudgeon measured in Environment Agency surveys of the River Adur West Arm was 12.2 cm, recorded at Slaughter Bridge on 4 July 2003.

Across 30 measured gudgeon, the median measured length was 9.2 cm.

Surveyors recorded weights for 8 gudgeon. The median was 0.3 oz (0.0095 kg) and the largest recorded weight was 0.7 oz (0.019 kg).

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

See gudgeon records across England →

Most recent observation18 July 2024Lock Bridge · 1 fish

Largest measured gudgeon: 12.2 cm
Median length: 9.2 cm
Fish measured: 30
Survey locations: 5

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
12.2 cm	4 Jul 2003	Slaughter Bridge	76699
11.2 cm	15 May 2014	Capps Bridge	140866
11 cm	15 Apr 2014	Tenchford Bridge	140647
11 cm	15 Oct 2013	Bines Bridge	139526
10.6 cm	4 Jul 2003	Slaughter Bridge	76699
10.5 cm	15 Oct 2013	Bines Bridge	139526
10.4 cm	15 Oct 2013	Bines Bridge	139526
10.1 cm	15 Oct 2013	Bines Bridge	139526
9.9 cm	20 Aug 2018	Lock Bridge	153072
9.8 cm	15 Oct 2013	Bines Bridge	139526

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
Lock Bridge	20 Sept 2010	18 Jul 2024	4
Capps Bridge	15 May 2014	15 May 2014	1
Tenchford Bridge	19 Aug 2003	15 Apr 2014	3
Bines Bridge	15 Oct 2013	15 Oct 2013	1
Slaughter Bridge	9 Sept 2002	4 Jul 2003	2

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

2002–2024

Survey records by year

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

102

203

004

005

106

007

008

009

110

011

012

113

214

115

016

017

118

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 30 measured fish were spread across different length ranges.

Smallest: 3.8 cm
Lower quarter: 7.4 cm
Median: 9.2 cm
Upper quarter: 10.1 cm
Largest: 12.2 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 0.3 oz (0.0075 kg)
Median: 0.3 oz (0.0095 kg)
Upper quarter: 0.5 oz (0.013 kg)
Heaviest: 0.7 oz (0.019 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Adur West Arm

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

Roach Pike European eel Perch Rudd 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 →