RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Rib

Largest measured gudgeon: 15.4 cm

The largest gudgeon measured in Environment Agency surveys of the River Rib was 15.4 cm, recorded at Bengeo Hall on 30 October 2003.

Across 126 measured gudgeon, the median measured length was 9.5 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 Rib.

See gudgeon records across England →

Most recent observation28 August 2025Bengeo Hall · 4 fish
Largest measured gudgeon
15.4 cm
Median length
9.5 cm
Fish measured
126
Survey locations
3

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
15.4 cm30 Oct 2003Bengeo Hall78161
13.4 cm10 Sept 2013Bengeo Hall138807
12.7 cm10 May 2007Bengeo Hall105387
12.6 cm8 Sept 2012Bengeo Hall133924
12.5 cm8 Sept 2012Bengeo Hall133924
12.3 cm30 Oct 2003Bengeo Hall78161
12.2 cm8 Sept 2012Bengeo Hall133924
12.2 cm18 Aug 2009Bengeo Hall118441
12.2 cm10 May 2007Bengeo Hall105387
11.8 cm12 Sept 2023Bengeo Hall163235

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
Bengeo Hall30 Oct 200328 Aug 202512
Westmill Trout Farm (Fishing Lakes)22 Oct 200311 Jun 20243
8 Acre Plantation4 Nov 200310 Sept 20132

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

2003–2025

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 126 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
8.5 cm
Median
9.5 cm
Upper quarter
11 cm
Largest
15.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rib

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

Brown / sea trout Bullhead Roach Chub Dace Pike

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 →