RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Blythe

Largest measured gudgeon: 17.3 cm

The largest gudgeon measured in Environment Agency surveys of the River Blythe was 17.3 cm, recorded at Upstream Eastcote Brook on 29 January 1997.

Across 3,121 measured gudgeon, the median measured length was 10.1 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 Blythe.

See gudgeon records across England →

Most recent observation27 May 2025Molands Bridge · 1 fish
Largest measured gudgeon
17.3 cm
Median length
10.1 cm
Fish measured
3,121
Survey locations
10

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
17.3 cm29 Jan 1997Upstream Eastcote Brook4620
17.2 cm21 Feb 1990Downstream Eastcote Brook4220
16.8 cm5 Feb 1997Molands Bridge4614
16.8 cm29 Jan 1997Upstream Eastcote Brook4620
16.7 cm5 Feb 1997Molands Bridge4614
16.4 cm5 Feb 1997Molands Bridge4614
16.3 cm24 Feb 2004Molands Bridge79441
16.3 cm5 Feb 1997Molands Bridge4614
16.3 cm29 Jan 1997Upstream Eastcote Brook4620
16.1 cm24 Feb 2004Molands Bridge79441

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
Molands Bridge8 Mar 199027 May 202514
Duke End26 May 20164 Jul 20243
Upstream Eastcote Brook18 Mar 19932 Jul 202410
Sandalls Bridge20 Feb 199018 Jun 202411
Temple Basall Ford14 Jun 201814 Jun 20181
Downstream Eastcote Brook21 Feb 199015 Aug 20068
Blythe Mill4 Apr 199011 Jul 20068
Widney Manor11 Feb 19978 May 20022
Cheswick Green30 Mar 19938 May 20023
Solihull Riding Club11 Feb 199711 Feb 19971

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

1990–2025

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 3,121 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
8.3 cm
Median
10.1 cm
Upper quarter
12 cm
Largest
17.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blythe

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

Bullhead Minnow Roach Dace Chub Perch

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 →