Gudgeon · Gobio gobio

Gudgeon in the Eel Survey

Largest measured gudgeon: 21.3 cm

The largest gudgeon measured in Environment Agency surveys of the Eel Survey was 21.3 cm, recorded at Stanton Drew on 8 September 2009.

Across 723 measured gudgeon, the median measured length was 11.1 cm.

Surveyors recorded weights for 20 gudgeon. The median was 0.2 oz (0.0065 kg) and the largest recorded weight was 0.6 oz (0.016 kg).

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

See gudgeon records across England →

Most recent observation29 August 2013Bathpool · 24 fish

Largest measured gudgeon: 21.3 cm
Median length: 11.1 cm
Fish measured: 723
Survey locations: 9

Individual EA measurements

Largest measured gudgeon

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
21.3 cm	8 Sept 2009	Stanton Drew	118853
17 cm	13 Jul 2011	Eastville Park	127121
15.3 cm	8 Sept 2009	Stanton Drew	118853
15.2 cm	8 Sept 2009	Stanton Drew	118853
15.2 cm	8 Sept 2009	Stanton Drew	118853
15 cm	13 Jul 2011	Eastville Park	127121
15 cm	23 Aug 2007	Stanton Drew	110650
15 cm	23 Aug 2007	Stanton Drew	110650
14.9 cm	3 Jul 2013	Eastville Park	139725
14.8 cm	8 Sept 2009	Stanton Drew	118853

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 surveyed	First recorded	Last recorded	Visits finding gudgeon
Bathpool	7 Sept 2007	29 Aug 2013	4
Ashford Farm	20 Jul 2007	25 Jul 2013	4
Riverside Farm	19 Jul 2007	4 Jul 2013	3
Eastville Park	9 Aug 2007	3 Jul 2013	5
Noddy's House	9 Sept 2009	5 Sept 2012	2
Stanton Drew	23 Aug 2007	21 Aug 2012	4
Oath Lock Downstream	11 Aug 2009	11 Aug 2009	1
Huntspill at Sloway	8 Aug 2006	10 Aug 2008	8
Bow Bridge	3 Aug 2007	30 Jul 2008	2

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

2006–2013

Survey records by year

Each bar shows how many survey visits recorded gudgeon that year.

706

607

508

709

010

211

212

413

Fish measured by surveyors

Measured length distribution

See how the 723 measured fish were spread across different length ranges.

Smallest: 5.4 cm
Lower quarter: 9.5 cm
Median: 11.1 cm
Upper quarter: 12.2 cm
Largest: 21.3 cm

0–99 mm

220

100–199 mm

502

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 20 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.004 kg)
Lower quarter: 0.2 oz (0.005 kg)
Median: 0.2 oz (0.0065 kg)
Upper quarter: 0.3 oz (0.0092 kg)
Heaviest: 0.6 oz (0.016 kg)

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

More fish in this river

Explore the Eel Survey

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

European eel Roach Bullhead Perch Stone loach Brown / sea trout

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 →