RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Gade

Largest measured gudgeon: 16.7 cm

The largest gudgeon measured in Environment Agency surveys of the River Gade was 16.7 cm, recorded at Cassiobury Park on 15 July 2003.

Across 676 measured gudgeon, the median measured length was 10.4 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 Gade.

See gudgeon records across England →

Most recent observation11 June 2013Kings Langley · 87 fish
Largest measured gudgeon
16.7 cm
Median length
10.4 cm
Fish measured
676
Survey locations
2

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
16.7 cm15 Jul 2003Cassiobury Park76389
15.5 cm3 Oct 2000Cassiobury Park75768
15.5 cm3 Oct 2000Cassiobury Park75768
15.5 cm3 Oct 2000Cassiobury Park75768
15 cm3 Oct 2000Cassiobury Park75768
15 cm3 Oct 2000Cassiobury Park75768
15 cm3 Oct 2000Cassiobury Park75768
15 cm3 Oct 2000Cassiobury Park75768
15 cm3 Oct 2000Cassiobury Park75768
15 cm3 Oct 2000Cassiobury Park75768

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
Kings Langley15 Jul 200411 Jun 20132
Cassiobury Park3 Oct 200023 Apr 201311

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

2000–2013

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 676 measured fish were spread across different length ranges.

Smallest
4.2 cm
Lower quarter
8.4 cm
Median
10.4 cm
Upper quarter
12.1 cm
Largest
16.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gade

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

Bullhead Minnow 3-spined stickleback Stone loach Brown / sea trout 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 →