Gudgeon · Gobio gobio

Gudgeon in the River US Lt Ouse

Largest measured gudgeon: 15.3 cm

The largest gudgeon measured in Environment Agency surveys of the River US Lt Ouse was 15.3 cm, recorded at Santon Downham on 15 June 1990.

Across 1,710 measured gudgeon, the median measured length was 9.3 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 US Lt Ouse.

See gudgeon records across England →

Most recent observation20 August 2024Santon Downham · 7 fish
Largest measured gudgeon
15.3 cm
Median length
9.3 cm
Fish measured
1,710
Survey locations
15

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
15.3 cm15 Jun 1990Santon Downham30155
14.8 cm24 Mar 2000Santon Downham29305
13.8 cm10 Apr 1989Santon Downham30150
13.8 cm14 Jul 1988Barnham Common30141
13.8 cm17 May 1988Gasthorpe30136
13.8 cm17 May 1988Gasthorpe30136
13.8 cm17 May 1988Gasthorpe30136
13.8 cm17 May 1988Gasthorpe30136
13.7 cm9 Jul 2015Abbey Weir145358
13.3 cm24 Mar 2000Santon Downham29305

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
Santon Downham10 Apr 198920 Aug 202410
Two Mile Bottom11 Apr 198913 Aug 20246
Abbey Weir7 Apr 19897 Aug 20246
Rushford Bridge27 May 198816 Jul 202410
Knettishall Heath6 Dec 199520 Nov 20187
Nuns Bridge24 May 200124 May 20011
DS BTO Channel26 Jan 200026 Jan 20001
Nunnery Lakes25 Jan 200025 Jan 20001
Barnham Common14 Jul 198824 Jan 20002
DS Knettishall Heath19 Jan 200019 Jan 20001
Barnham Village4 Jan 19964 Jan 19961
Black Carr20 Jul 198818 Dec 19952
Blo Norton Ford17 May 19881 Dec 19954
US Knettishall Heath18 May 198818 Feb 19932
Gasthorpe17 May 198817 May 19881

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

1988–2024

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 1,710 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
7.8 cm
Median
9.3 cm
Upper quarter
10.8 cm
Largest
15.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Lt Ouse

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 →