RiverFish

Gudgeon · Gobio gobio

Gudgeon in the Stort Navigation

Largest measured gudgeon: 9.2 cm

The largest gudgeon measured in Environment Agency surveys of the Stort Navigation was 9.2 cm, recorded at Upstream Sheering Mill Lock on 18 April 2011.

Across 6 measured gudgeon, the median measured length was 8.6 cm.

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

See gudgeon records across England →

Most recent observation21 April 2011Upstream Kecksy's Bridge · 3 fish
Largest measured gudgeon
9.2 cm
Median length
8.6 cm
Fish measured
6
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.

LengthSurvey dateSurvey locationSurvey ID
9.2 cm18 Apr 2011Upstream Sheering Mill Lock126110
8.9 cm21 Apr 2011Upstream Kecksy's Bridge126133
8.7 cm21 Apr 2011Upstream Kecksy's Bridge126133
8.5 cm18 Apr 2011Upstream Sheering Mill Lock126110
8.2 cm21 Apr 2011Upstream Kecksy's Bridge126133
6.8 cm19 Apr 2011Downstream Sheering Mill Lock126121

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
Upstream Kecksy's Bridge21 Apr 201121 Apr 20111
Downstream Sheering Mill Lock19 Apr 201119 Apr 20111
Upstream Sheering Mill Lock - Sawbridgeworth Lock18 Apr 201118 Apr 20111
Upstream Sheering Mill Lock18 Apr 201118 Apr 20111

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

2011–2011

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 6 measured fish were spread across different length ranges.

Smallest
6.8 cm
Lower quarter
8.3 cm
Median
8.6 cm
Upper quarter
8.9 cm
Largest
9.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Stort Navigation

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

Perch Pike Roach Bleak Common bream Tench

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 →