Gudgeon · Gobio gobio

Gudgeon in the River Eden

Largest measured gudgeon: 17 cm

The largest gudgeon measured in Environment Agency surveys of the River Eden was 17 cm, recorded at u/s Vexour Bridge on 13 June 2008.

Across 3,023 measured gudgeon, the median measured length was 8.2 cm.

Surveyors recorded weights for 151 gudgeon. The median was 0.3 oz (0.008 kg) and the largest recorded weight was 1.1 oz (0.032 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 Eden.

See gudgeon records across England →

Most recent observation12 June 2025Delaware Farm · 80 fish

Largest measured gudgeon: 17 cm
Median length: 8.2 cm
Fish measured: 3,023
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
17 cm	13 Jun 2008	u/s Vexour Bridge	114544
14.3 cm	12 Jun 2008	u/s Bough Beech Intake	114470
14.3 cm	10 Jan 2002	d/s Bough Beech Intake	22544
14.2 cm	25 May 2016	Long Acres	148129
14 cm	10 May 2007	Cernes Farm	106478
14 cm	10 Jan 2002	d/s Bough Beech Intake	22544
13.7 cm	25 May 2016	Long Acres	148129
13.7 cm	10 Jan 2002	d/s Bough Beech Intake	22544
13.6 cm	25 May 2016	Long Acres	148129
13.5 cm	3 Jun 2025	u/s Vexour Bridge	177052

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
Delaware Farm	25 Apr 2002	12 Jun 2025	14
Haxted Mill	8 Jun 2001	10 Jun 2025	12
u/s Bough Beech Intake	20 Dec 2001	4 Jun 2025	14
u/s Vexour Bridge	29 Nov 2001	3 Jun 2025	13
Cernes Farm	19 Aug 2002	28 May 2025	12
Long Acres	25 May 2016	25 May 2016	1
d/s Lingfield Park Race Course	24 May 2016	24 May 2016	1
Old House Farm	2 Jul 2013	2 Jul 2013	1
d/s Bough Beech Intake	10 Jan 2002	24 Jul 2002	2

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

2001–2025

Survey records by year

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

301

702

303

504

405

506

507

508

509

510

011

012

613

014

015

716

017

018

519

020

021

022

023

024

525

Fish measured by surveyors

Measured length distribution

See how the 3,023 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 6.9 cm
Median: 8.2 cm
Upper quarter: 9.5 cm
Largest: 17 cm

0–99 mm

2467

100–199 mm

556

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 151 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 (0.0045 kg)
Median: 0.3 oz (0.008 kg)
Upper quarter: 0.4 oz (0.0105 kg)
Heaviest: 1.1 oz (0.032 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 Eden

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

Roach Chub Minnow Stone loach Perch Dace

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 →