Gudgeon · Gobio gobio

Gudgeon in the River Windrush

Largest measured gudgeon: 16.2 cm

The largest gudgeon measured in Environment Agency surveys of the River Windrush was 16.2 cm, recorded at Lower Upton Farm on 25 September 2002.

Across 566 measured gudgeon, the median measured length was 11.5 cm.

Surveyors recorded weights for 8 gudgeon. The median was 1.3 oz (0.038 kg) and the largest recorded weight was 2 oz (0.058 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 Windrush.

See gudgeon records across England →

Most recent observation4 October 2023D/s Beard Mill, East Arm · 9 fish

Largest measured gudgeon: 16.2 cm
Median length: 11.5 cm
Fish measured: 566
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.

Length	Survey date	Survey location	Survey ID
16.2 cm	25 Sept 2002	Lower Upton Farm	72262
15.8 cm	20 Sept 2006	Minster Lovell	101430
15.8 cm	25 Sept 2002	Lower Upton Farm	72262
15.8 cm	25 Sept 2002	Lower Upton Farm	72262
15.7 cm	25 Sept 2002	Minster Lovell	72264
15.6 cm	4 Oct 2005	D/s Beard Mill, East Arm	88292
15.5 cm	30 Sept 2009	D/s Beard Mill, East Arm	119611
15.5 cm	24 Sept 2002	West Arm at Cokethorpe	72269
15.3 cm	25 Sept 2002	Minster Lovell	72264
15 cm	12 Sept 2017	Minster Lovell	151633

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
Medley Brook	2 Apr 2003	4 Oct 2023	7
D/s Beard Mill, East Arm	4 Oct 2005	4 Oct 2023	10
West Arm at Cokethorpe	24 Sept 2002	12 Sept 2023	5
East Arm at Cokethorpe	4 Oct 2005	12 Sept 2023	3
Emma's dyke down stream of colwell Brook	8 Sept 2006	24 Aug 2023	2
New Mill Mill stream	18 May 2023	18 May 2023	1
Minster Lovell	25 Sept 2002	19 Oct 2021	12
Worsham	15 Mar 2002	22 Sept 2011	9
Standlake STW	4 Nov 2005	4 Nov 2005	1
Lower Upton Farm	25 Sept 2002	5 Oct 2005	4

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

2002–2023

Survey records by year

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

502

503

604

905

406

107

108

209

210

211

112

113

414

015

016

217

018

019

020

321

022

623

Fish measured by surveyors

Measured length distribution

See how the 566 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 9.5 cm
Median: 11.5 cm
Upper quarter: 12.6 cm
Largest: 16.2 cm

0–99 mm

165

100–199 mm

401

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 1.2 oz (0.034 kg)
Lower quarter: 1.2 oz (0.034 kg)
Median: 1.3 oz (0.038 kg)
Upper quarter: 1.6 oz (0.0445 kg)
Heaviest: 2 oz (0.058 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 Windrush

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

Brown / sea trout Chub Pike Dace Perch Roach

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 →