RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Hull

Largest measured gudgeon: 14.3 cm

The largest gudgeon measured in Environment Agency surveys of the River Hull was 14.3 cm, recorded at Hempholme Lock HULLCRS/(LOWER)1 on 22 September 2010.

Across 378 measured gudgeon, the median measured length was 9.6 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 Hull.

See gudgeon records across England →

Most recent observation29 September 2025West Beck Downstream Ryders Intake · 2 fish
Largest measured gudgeon
14.3 cm
Median length
9.6 cm
Fish measured
378
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
14.3 cm22 Sept 2010Hempholme Lock HULLCRS/(LOWER)1124360
13.5 cm9 Jun 2025Hempholme Lock HULLCRS/(LOWER)1176774
13.4 cm13 Oct 2009Hempholme Lock HULLCRS/(LOWER)1119818
13.3 cm12 Sept 2013West Beck Downstream Ryders Intake138641
13 cm22 Sept 2003Hempholme Lock HULLCRS/(LOWER)178643
12.8 cm2 Oct 2002Corpslanding, West Beck HULLCRS/(UPPER)172174
12.7 cm9 Oct 2001Corpslanding, West Beck HULLCRS/(UPPER)167742
12.6 cm22 Sept 2003Wilfholme Landing HULLCRS/(LOWER)278654
12.6 cm22 Sept 2003Hempholme Lock HULLCRS/(LOWER)178643
12.4 cm29 Sept 2025West Beck Downstream Ryders Intake179038

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
West Beck Downstream Ryders Intake12 Sept 201329 Sept 20253
Hempholme Lock HULLCRS/(LOWER)118 Oct 20009 Jun 202511
Wilfholme Pumps - Fry Survey14 Aug 202314 Aug 20231
Wilfholme Landing HULLCRS/(LOWER)218 Oct 200021 Sept 20169
Watton Beck at R Hull confluence - Fry Survey20 Sept 199916 Aug 20134
us Weel Bridge22 Oct 200722 Oct 20071
Upstream of Hull Bridge HULLCRS/(LOWER)323 Sept 200318 Oct 20072
Corpslanding, West Beck HULLCRS/(UPPER)19 Oct 200023 Oct 20066
Hempholme - Fry Survey18 Sept 198420 Sept 19966
Tophill Low - Fry Survey22 Sept 198922 Sept 19891

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

1984–2025

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 378 measured fish were spread across different length ranges.

Smallest
1.2 cm
Lower quarter
8.2 cm
Median
9.6 cm
Upper quarter
10.6 cm
Largest
14.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hull

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

Pike European eel 3-spined stickleback Bullhead Perch Minnow

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 →