Gudgeon · Gobio gobio

Gudgeon in the Bickerley Mill Stream

Largest measured gudgeon: 19 cm

The largest gudgeon measured in Environment Agency surveys of the Bickerley Mill Stream was 19 cm, recorded at A21S Top of Bickerley Millstream on 29 September 2004.

Across 413 measured gudgeon, the median measured length was 11.1 cm.

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

See gudgeon records across England →

Most recent observation7 October 2022Bickerley Mill Stream · 34 fish
Largest measured gudgeon
19 cm
Median length
11.1 cm
Fish measured
413
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
19 cm29 Sept 2004A21S Top of Bickerley Millstream82565
15.4 cm24 Sept 2013Bickerley Mill Stream139171
14.3 cm24 Sept 2013A21S Top of Bickerley Millstream139113
14.1 cm30 Sept 2011Bickerley Mill Stream128766
14.1 cm6 Oct 2005Bickerley Mill Stream86638
14.1 cm6 Oct 2005Bickerley Mill Stream86638
14 cm31 Jul 2014Bickerley Mill Stream142265
14 cm10 Oct 2006Bickerley Mill Stream101832
13.9 cm24 Sept 2013Bickerley Mill Stream139171
13.8 cm24 Sept 2013Bickerley Mill Stream139171

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
Bickerley Mill Stream14 Sept 20017 Oct 202213
A21S Top of Bickerley Millstream29 Sept 200424 Sept 20132

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

2001–2022

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 413 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
9.8 cm
Median
11.1 cm
Upper quarter
12 cm
Largest
19 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bickerley Mill Stream

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

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 →