Gudgeon · Gobio gobio

Gudgeon in the River Dean

Largest measured gudgeon: 14 cm

The largest gudgeon measured in Environment Agency surveys of the River Dean was 14 cm, recorded at De09 on 13 August 1996.

Across 22 measured gudgeon, the median measured length was 10.9 cm.

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

See gudgeon records across England →

Most recent observation20 June 2008Dede25 · 6 fish

Largest measured gudgeon: 14 cm
Median length: 10.9 cm
Fish measured: 22
Survey locations: 4

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
14 cm	13 Aug 1996	De09	61250
13.6 cm	13 Aug 1996	De09	61250
13.5 cm	18 Sept 2002	Dede20	64400
12.8 cm	18 Sept 2002	Dede20	64400
12.6 cm	18 Sept 2002	Dede20	64400
12.2 cm	18 Sept 2002	Dede20	64400
12.1 cm	18 Sept 2002	Dede20	64400
12 cm	18 Sept 2002	Dede20	64400
11.1 cm	18 Sept 2002	Dede15	64381
10.9 cm	20 Jun 2008	Dede25	111473

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
Dede25	20 Jun 2008	20 Jun 2008	1
Dede20	18 Sept 2002	18 Sept 2002	1
Dede15	18 Sept 2002	18 Sept 2002	1
De09	13 Aug 1996	13 Aug 1996	1

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

1996–2008

Survey records by year

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

196

097

098

099

000

001

202

003

004

005

006

007

108

Fish measured by surveyors

Measured length distribution

See how the 22 measured fish were spread across different length ranges.

Smallest: 5.9 cm
Lower quarter: 9.8 cm
Median: 10.9 cm
Upper quarter: 12.2 cm
Largest: 14 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dean

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

Brown / sea trout Stone loach Bullhead Minnow Chub 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 →