RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Bure (central)

Largest measured gudgeon: 13.5 cm

The largest gudgeon measured in Environment Agency surveys of the River Bure (central) was 13.5 cm, recorded at Downstream Aylsham Bypass on 17 June 2005.

Across 892 measured gudgeon, the median measured length was 7.9 cm.

Surveyors recorded weights for 3 gudgeon. The median was 0.3 oz (0.009 kg) and the largest recorded weight was 0.4 oz (0.011 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 Bure (central).

See gudgeon records across England →

Most recent observation20 June 2025Downstream Plantation Bridge · 2 fish
Largest measured gudgeon
13.5 cm
Median length
7.9 cm
Fish measured
892
Survey locations
12

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
13.5 cm17 Jun 2005Downstream Aylsham Bypass84838
13.3 cm24 Mar 1993Downstream Buxton Mill16746
13 cm10 Jul 2013Lamas Hall137244
12.8 cm20 Jun 2003Downstream Aylsham Bypass76236
12.7 cm19 Jul 2007Lamas Hall106270
12.7 cm2 Aug 2002Upstream Oxnead Bridge52310
12.6 cm15 May 2010Downstream Aylsham Bypass121524
12.6 cm3 May 1988Downstream Aylsham Bypass16725
12.4 cm17 Jun 2005Downstream Aylsham Bypass84838
12.3 cm15 May 2019Downstream Aylsham Bypass155871

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
Downstream Plantation Bridge13 May 198820 Jun 202514
Downstream Buxton Mill6 Jul 198817 Jun 202511
Lamas Hall5 Jul 19889 Jun 202513
Downstream Aylsham Bypass3 May 19883 Jun 202513
Upstream Oxnead Bridge10 May 198820 May 202514
Downstream Mayton Bridge24 Jun 20042 Aug 20163
Burgh Hall Farm6 May 198827 Jul 20164
Downstream Oxnead Mill11 May 198822 Jun 19983
Upstream Coltishall Bridge13 Jul 19887 Apr 19932
Upstream Buxton Mill19 Mar 199319 Mar 19931
Downstream Burgh Hall Lock5 May 19889 Mar 19932
Downstream Burgh Mill7 May 19887 May 19881

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

1988–2025

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 892 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
6.1 cm
Median
7.9 cm
Upper quarter
9.3 cm
Largest
13.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 3 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.006 kg)
Lower quarter
0.3 oz (0.0075 kg)
Median
0.3 oz (0.009 kg)
Upper quarter
0.4 oz (0.01 kg)
Heaviest
0.4 oz (0.011 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 Bure (central)

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

Pike European eel Roach Dace Stone loach Perch

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 →