Gudgeon · Gobio gobio

Gudgeon in the River Duke of Northumberland

Largest measured gudgeon: 14.7 cm

The largest gudgeon measured in Environment Agency surveys of the River Duke of Northumberland was 14.7 cm, recorded at Twickenham on 12 September 2017.

Across 1,309 measured gudgeon, the median measured length was 8.2 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 Duke of Northumberland.

See gudgeon records across England →

Most recent observation10 October 2024Riverside Walk · 152 fish
Largest measured gudgeon
14.7 cm
Median length
8.2 cm
Fish measured
1,309
Survey locations
6

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
14.7 cm12 Sept 2017Twickenham151602
14.6 cm6 Sept 2017Harlequins151601
14.5 cm8 Oct 2018Harlequins153766
13.9 cm12 Sept 2017Twickenham151602
13.8 cm12 Sept 2017Twickenham151602
13.8 cm6 Sept 2017Harlequins151601
13.6 cm6 Sept 2017Harlequins151601
13.5 cm8 Oct 2018Harlequins153766
13.5 cm12 Sept 2017Twickenham151602
13.4 cm17 Sept 2019Harlequins155689

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
Riverside Walk25 May 200510 Oct 20246
Hatton Road14 Oct 20228 Oct 20243
Twickenham12 Sept 201717 Sept 20193
Harlequins6 Sept 201717 Sept 20193
Mill Platt6 Oct 20054 Oct 20173
Moor Lane15 Jun 20005 Sept 20174

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

2000–2024

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 1,309 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
6.6 cm
Median
8.2 cm
Upper quarter
9.5 cm
Largest
14.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Duke of Northumberland

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 →