RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Wallington

Largest measured gudgeon: 18 cm

The largest gudgeon measured in Environment Agency surveys of the River Wallington was 18 cm, recorded at Upstream of Boarhunt Bridge on 25 August 2021.

Across 594 measured gudgeon, the median measured length was 10.9 cm.

Surveyors recorded weights for 212 gudgeon. The median was 0.6 oz (0.018 kg) and the largest recorded weight was 2 oz (0.056 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 Wallington.

See gudgeon records across England →

Most recent observation15 August 2024Whitedell Farm · 10 fish
Largest measured gudgeon
18 cm
Median length
10.9 cm
Fish measured
594
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.

LengthSurvey dateSurvey locationSurvey ID
18 cm25 Aug 2021Upstream of Boarhunt Bridge160160
17 cm5 Jun 2015Whitedell Farm144865
15.9 cm13 Jul 2010Upstream of Boarhunt Bridge123890
15.8 cm25 Aug 2021Upstream of Boarhunt Bridge160160
15.5 cm25 Aug 2021Upstream of Boarhunt Bridge160160
15.4 cm8 Jun 2007Cheeseman's Bridge105538
15.2 cm15 Aug 2024Whitedell Farm166790
15.2 cm2 Aug 2012Upstream of Boarhunt Bridge133066
15 cm15 Aug 2024Whitedell Farm166790
15 cm15 Aug 2024Whitedell Farm166790

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 surveyedFirst recordedLast recordedVisits finding gudgeon
Whitedell Farm25 Jun 200115 Aug 202410
Upstream of Boarhunt Bridge7 Jun 200713 Aug 20249
Potwell Ford12 Aug 201612 Aug 20161
Southwick bypass11 Jun 200711 Jun 20071
Cheeseman's Bridge8 Jun 20078 Jun 20071
Spurling's Farm7 May 20077 May 20071
Rooks Bridge15 Aug 200123 Sept 20022

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

2001–2024

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 594 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
9.5 cm
Median
10.9 cm
Upper quarter
12.4 cm
Largest
18 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 212 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.5 oz (0.013 kg)
Median
0.6 oz (0.018 kg)
Upper quarter
0.8 oz (0.0232 kg)
Heaviest
2 oz (0.056 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 Wallington

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

Roach European eel Brown / sea trout Minnow Stone loach Bullhead

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 →