Gudgeon · Gobio gobio

Gudgeon in the River Main Culm

Largest measured gudgeon: 16 cm

The largest gudgeon measured in Environment Agency surveys of the River Main Culm was 16 cm, recorded at Venn Farm (Sp)* on 16 September 2008.

Across 256 measured gudgeon, the median measured length was 11 cm.

Surveyors recorded weights for 173 gudgeon. The median was 0.5 oz (0.015 kg) and the largest recorded weight was 1.6 oz (0.045 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 Main Culm.

See gudgeon records across England →

Most recent observation22 May 2026Glasshouses · 11 fish

Largest measured gudgeon: 16 cm
Median length: 11 cm
Fish measured: 256
Survey locations: 7

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 cm	16 Sept 2008	Venn Farm (Sp)*	114468
15.2 cm	16 Sept 2008	Venn Farm (Sp)*	114468
14.8 cm	16 Sept 2008	Venn Farm (Sp)*	114468
14.8 cm	11 Oct 2002	Lower Kingsmill (CFTe)*	72835
14.8 cm	11 Oct 2002	Lower Kingsmill (CFTe)*	72835
14.6 cm	1 Jul 2013	Venn Farm (Sp)*	137032
14.5 cm	29 Apr 2019	Glasshouses	154868
14.5 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874
14.5 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874
14.5 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874

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
Glasshouses	29 Apr 2019	22 May 2026	2
Downstream Ellerhayes Bridge	5 Oct 2023	5 Oct 2023	1
Columbjohn (CFTe/wfdi)*	18 Jun 1997	5 Oct 2023	11
Venn Farm (Sp)*	16 Sept 2008	1 Jul 2013	2
Coldharbour Leat (CFTe)*	8 Oct 2003	8 Sept 2009	4
Lower Kingsmill (CFTe)*	10 Jun 1997	24 Sept 2003	3
Stoke Canon (CFTe)*	17 Jun 1997	17 Jun 1997	1

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

1997–2026

Survey records by year

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

397

098

099

000

101

102

303

004

105

106

207

308

209

010

011

012

113

014

015

016

017

018

219

020

021

122

223

024

025

126

Fish measured by surveyors

Measured length distribution

See how the 256 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 8.3 cm
Median: 11 cm
Upper quarter: 12.4 cm
Largest: 16 cm

0–99 mm

100–199 mm

164

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 173 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.3 oz (0.009 kg)
Median: 0.5 oz (0.015 kg)
Upper quarter: 0.8 oz (0.024 kg)
Heaviest: 1.6 oz (0.045 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 Main Culm

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

Stone loach Brown / sea trout Bullhead Minnow European eel Atlantic salmon

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 →