RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Glaze

Largest measured gudgeon: 24 cm

The largest gudgeon measured in Environment Agency surveys of the River Glaze was 24 cm, recorded at Glgl25 on 19 May 2008.

Across 337 measured gudgeon, the median measured length was 10.5 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 Glaze.

See gudgeon records across England →

Most recent observation8 May 2025Glgl30 · 23 fish
Largest measured gudgeon
24 cm
Median length
10.5 cm
Fish measured
337
Survey locations
8

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
24 cm19 May 2008Glgl25114098
16.5 cm26 Apr 2010Glgl10121442
16.4 cm26 Apr 2010Glgl10121442
15.2 cm27 Apr 2010Glgl20121441
14.9 cm22 Apr 2009Glgl25117304
14.9 cm21 Apr 2009Glgl10117207
14.8 cm6 May 2025Glgl7.5179711
14.6 cm26 Apr 2010Glgl10121442
14.5 cm16 May 2016Glgl30148044
14.5 cm24 Apr 2010Glgl30124099

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
Glgl3024 Apr 20108 May 20253
Glgl1224 Sept 20107 May 20253
Glgl7.51 Jul 20196 May 20253
Glgl0520 May 200824 Apr 20253
Glgl1020 May 200814 Jun 20225
Glgl2020 May 200812 May 20165
Glgl2519 May 200822 Apr 20092
Glgl1521 May 200821 May 20081

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

2008–2025

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 337 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
7 cm
Median
10.5 cm
Upper quarter
12.2 cm
Largest
24 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Glaze

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

European eel Perch 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 →