Gudgeon · Gobio gobio

Gudgeon in the River Ray

Largest measured gudgeon: 16 cm

The largest gudgeon measured in Environment Agency surveys of the River Ray was 16 cm, recorded at Moredon Bridge on 8 June 2006.

Across 502 measured gudgeon, the median measured length was 12.6 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 Ray.

See gudgeon records across England →

Most recent observation30 August 2022Moredon Bridge · 15 fish
Largest measured gudgeon
16 cm
Median length
12.6 cm
Fish measured
502
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
16 cm8 Jun 2006Moredon Bridge90919
15.9 cm20 Apr 2005Sparcells d/s STW84581
15.8 cm7 May 2014Moredon Bridge140730
15.7 cm29 Apr 2013Sparcells d/s STW135950
15.7 cm20 Apr 2005Moredon Bridge84480
15.5 cm30 Aug 2022Moredon Bridge161978
15.5 cm8 Apr 2004Moredon Bridge79607
15.4 cm20 Apr 2005Moredon Bridge84480
15.3 cm8 Apr 2004Moredon Bridge79607
15.2 cm30 Aug 2022Moredon Bridge161978

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
Moredon Bridge8 Apr 200430 Aug 20225
Tadpole Bridge27 Apr 200429 Apr 20133
Sparcells d/s STW20 Apr 200529 Apr 20132
Westmead industrial estate - u/s STW22 Apr 200522 Apr 20051
Seven Bridges27 Apr 200422 Apr 20052
Water Eaton, d/s gauging weir21 Apr 200521 Apr 20051
Upstream Swindon STW21 Apr 200421 Apr 20041

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

2004–2022

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 502 measured fish were spread across different length ranges.

Smallest
5 cm
Lower quarter
10.2 cm
Median
12.6 cm
Upper quarter
13.6 cm
Largest
16 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ray

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 →