RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Alne

Largest measured gudgeon: 17.8 cm

The largest gudgeon measured in Environment Agency surveys of the River Alne was 17.8 cm, recorded at Little Alne on 23 September 1986.

Across 727 measured gudgeon, the median measured length was 11 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 Alne.

See gudgeon records across England →

Most recent observation26 June 2025Downstream Great Alne Road Bridge · 3 fish
Largest measured gudgeon
17.8 cm
Median length
11 cm
Fish measured
727
Survey locations
16

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
17.8 cm23 Sept 1986Little Alne24123
17.2 cm10 Sept 1991Aston Cantlow24109
17 cm2 Jul 2019Aston Cantlow155074
16.8 cm11 Aug 1981Aston Cantlow23765
16.3 cm18 Jun 1997Pennyford Hall23760
16.3 cm10 Oct 1989Aston Cantlow24107
16 cm4 Jul 2013Great Alne Road Bridge137709
16 cm11 Apr 1991Little Alne24126
15.8 cm23 Sept 1986Little Alne24123
15.7 cm18 Jun 1997Pennyford Hall23760

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
Downstream Great Alne Road Bridge17 Jul 201326 Jun 20255
Blackford Mill27 Jul 201720 Jul 20232
Kinwarton Fields17 Jul 201810 Jul 20192
Alcester Riverside21 Aug 20189 Jul 20192
Upstream Haselor Grounds18 Jul 20183 Jul 20192
Aston Cantlow11 Aug 19812 Jul 201911
Kinwarton4 May 199030 Aug 20163
Little Alne23 Sept 198625 Aug 201611
Great Alne Road Bridge27 Jul 200118 Aug 201610
Wootton Wawen23 Sept 198627 Aug 201310
Aston Cantlow u/s of ford13 Jul 20058 Jun 20062
Pennyford Hall10 Oct 19897 Jun 20065
Claverdon Brook, Bearley11 Sept 199111 Jun 19972
Great Alne6 Sept 198421 May 19974
Kingswood Brook12 Sept 199112 Sept 19911
Pennyford Hall, d/s WRW discharge (new site 2a)10 Oct 198910 Oct 19891

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

1981–2025

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 727 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
9.5 cm
Median
11 cm
Upper quarter
12.2 cm
Largest
17.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Alne

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

Dace Minnow Roach Stone loach European eel Chub

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 →