RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Thet

Largest measured gudgeon: 13.3 cm

The largest gudgeon measured in Environment Agency surveys of the River Thet was 13.3 cm, recorded at East Harling on 9 February 1993.

Across 492 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 Thet.

See gudgeon records across England →

Most recent observation22 October 2024Manor Farm Shropham · 1 fish
Largest measured gudgeon
13.3 cm
Median length
9.3 cm
Fish measured
492
Survey locations
9

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
13.3 cm9 Feb 1993East Harling30015
13.3 cm29 Jul 1988Kilverstone Estate30011
12.8 cm29 Jul 1988Kilverstone Estate30011
12.3 cm21 Nov 1995East Harling30022
12.3 cm9 Feb 1993East Harling30015
12.3 cm9 Feb 1993East Harling30015
12.3 cm9 Feb 1993East Harling30015
12.3 cm22 Jan 1993Snetterton Gravel Pits30013
12.3 cm22 Jan 1993Snetterton Gravel Pits30013
12.3 cm29 Jul 1988Kilverstone Estate30011

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
Manor Farm Shropham22 Oct 202422 Oct 20241
Snetterton Gravel Pits19 Jul 198818 Sept 20247
Thetford28 Jul 198818 Oct 20186
East Harling21 Jul 198827 Sept 20125
Bridgham Bridge20 Jul 198813 Aug 20124
Thorpe Woodlands7 Feb 19977 Feb 19971
Brettenham27 Jul 198823 Nov 19953
Kilverstone Estate29 Jul 198811 Feb 19932
Larlingford19 Jul 198819 Jul 19881

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

1988–2024

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 492 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
8.3 cm
Median
9.3 cm
Upper quarter
10.3 cm
Largest
13.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Thet

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

Roach Pike Perch Dace European eel 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 →