Gudgeon · Gobio gobio

Gudgeon in the North River

Largest measured gudgeon: 13.5 cm

The largest gudgeon measured in Environment Agency surveys of the North River was 13.5 cm, recorded at Paynes Green sq on 4 August 2005.

Across 299 measured gudgeon, the median measured length was 8.7 cm.

Surveyors recorded weights for 285 gudgeon. The median was 0.2 oz (0.007 kg) and the largest recorded weight was 1.1 oz (0.031 kg).

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

See gudgeon records across England →

Most recent observation24 June 2014Northlands farm · 14 fish

Largest measured gudgeon: 13.5 cm
Median length: 8.7 cm
Fish measured: 299
Survey locations: 3

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
13.5 cm	4 Aug 2005	Paynes Green sq	87011
13.3 cm	4 Aug 2005	Paynes Green sq	87011
13.1 cm	4 Aug 2005	Paynes Green sq	87011
12.4 cm	4 Aug 2005	Paynes Green sq	87011
12.3 cm	4 Aug 2005	Paynes Green sq	87011
12.1 cm	4 Aug 2005	Paynes Green sq	87011
12 cm	4 Aug 2005	Paynes Green sq	87011
11.7 cm	4 Aug 2005	Paynes Green sq	87011
11.5 cm	4 Aug 2005	Paynes Green sq	87011
11.5 cm	27 Aug 2003	West Brook Q	76979

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
Northlands farm	24 Jun 2014	24 Jun 2014	1
West Brook Q	5 Aug 2002	22 Aug 2006	5
Paynes Green sq	4 Aug 2005	4 Aug 2005	1

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

2002–2014

Survey records by year

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

102

103

104

205

106

007

008

009

010

011

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 299 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 7.9 cm
Median: 8.7 cm
Upper quarter: 9.5 cm
Largest: 13.5 cm

0–99 mm

247

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 285 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.2 oz (0.005 kg)
Median: 0.2 oz (0.007 kg)
Upper quarter: 0.4 oz (0.01 kg)
Heaviest: 1.1 oz (0.031 kg)

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

More fish in this river

Explore the North River

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

Bullhead Stone loach European eel Minnow 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 →