Gudgeon · Gobio gobio

Gudgeon in the Moretons Leam

Largest measured gudgeon: 13 cm

The largest gudgeon measured in Environment Agency surveys of the Moretons Leam was 13 cm, recorded at Downstream Eldernell on 13 May 1992.

Across 49 measured gudgeon, the median measured length was 9 cm.

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

See gudgeon records across England →

Most recent observation12 April 1999Upstream Eldernell · 4 fish
Largest measured gudgeon
13 cm
Median length
9 cm
Fish measured
49
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
13 cm13 May 1992Downstream Eldernell54159
13 cm13 May 1992Upstream Eldernell54158
11.5 cm12 Apr 1999Upstream Eldernell54173
11 cm18 May 1995Rings End54169
10.5 cm13 May 1992Downstream Eldernell54159
10.5 cm13 May 1992Upstream Eldernell54158
10.5 cm14 Apr 1992Rings End54162
10.5 cm13 Jun 1986Stanground109041
10 cm12 Apr 1999Upstream Eldernell54173
10 cm13 May 1992Downstream Eldernell54159

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
Upstream Eldernell13 May 199212 Apr 19992
Rings End9 Jun 198930 Mar 19994
March Farmers18 May 199518 May 19951
Little Bridge5 Jun 198916 May 19952
Downstream Eldernell8 Jun 198913 May 19922
Upstream Rings End14 Apr 199214 Apr 19921
Stanground13 Jun 198613 Jun 19861

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

1986–1999

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 49 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
8 cm
Median
9 cm
Upper quarter
9.5 cm
Largest
13 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Moretons Leam

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

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 →