RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Ouse

Largest measured gudgeon: 16.8 cm

The largest gudgeon measured in Environment Agency surveys of the River Ouse was 16.8 cm, recorded at East Mascalls Bridge on 25 August 2015.

Across 1,090 measured gudgeon, the median measured length was 11.1 cm.

Surveyors recorded weights for 535 gudgeon. The median was 0.7 oz (0.02 kg) and the largest recorded weight was 2.1 oz (0.06 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Ouse.

See gudgeon records across England →

Most recent observation14 August 2024Newick · 1 fish
Largest measured gudgeon
16.8 cm
Median length
11.1 cm
Fish measured
1,090
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
16.8 cm25 Aug 2015East Mascalls Bridge146092
16.5 cm1 Aug 2003Sloop76612
16.4 cm12 Aug 2002Upper Ryelands61246
16.3 cm23 Sept 2009Sloop120202
16.2 cm25 Aug 2015East Mascalls Bridge146092
16.2 cm24 Sept 2008Sloop114840
16.2 cm7 Aug 2008East Mascalls Bridge114411
16.2 cm1 Aug 2003Sloop76612
16.1 cm13 Sept 2017Sloop151629
16 cm15 Aug 2001Upper Ryelands51865

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
Newick9 Oct 200314 Aug 20243
Sheffield Bridge20 Aug 200225 Jul 202414
Fletching Mill Upstream20 Oct 201025 Jul 20246
Sloop13 Aug 200124 Jul 202415
East Mascalls Bridge10 Aug 200124 Jul 202415
Upstream Lindfield Bridge24 Oct 201224 Oct 20121
Sutton Hall Weir Downstream26 Oct 201126 Oct 20111
Sloop Weir Upstream25 Oct 201125 Oct 20111
Sloop Weir Downstream25 Oct 201125 Oct 20111
Fletching Mill Downstream28 Oct 200911 Jul 20113
Isfield Church2 Oct 200311 Nov 20095
Sharpsbridge8 Aug 200229 Oct 20097
Upper Ryelands15 Aug 20018 Sept 20064
Avins Bridge17 Aug 200417 Aug 20041
Ardingly College6 Jul 199823 Sept 20032
Cherry lane11 Aug 200311 Aug 20031

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

1998–2024

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 1,090 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
9.2 cm
Median
11.1 cm
Upper quarter
13 cm
Largest
16.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 535 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.3 oz (0.008 kg)
Median
0.7 oz (0.02 kg)
Upper quarter
1.1 oz (0.0305 kg)
Heaviest
2.1 oz (0.06 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Ouse

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

European eel Perch Roach Dace Stone loach 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 →