RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Calder

Largest measured gudgeon: 15.1 cm

The largest gudgeon measured in Environment Agency surveys of the River Calder was 15.1 cm, recorded at Upstream Altham bridge on 21 May 1984.

Across 106 measured gudgeon, the median measured length was 11.6 cm.

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

See gudgeon records across England →

Most recent observation18 October 2018Upstream A59 Road Bridge · 1 fish
Largest measured gudgeon
15.1 cm
Median length
11.6 cm
Fish measured
106
Survey locations
5

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
15.1 cm21 May 1984Upstream Altham bridge112808
14.8 cm24 Apr 1985Upstream Altham bridge112817
14.8 cm21 May 1984Upstream Altham bridge112808
14.7 cm21 May 1984Upstream Altham bridge112808
14 cm21 May 1984Upstream Altham bridge112808
13.9 cm21 May 1984Upstream Altham bridge112808
13.8 cm23 Apr 1985Downstream A59 Road Bridge114847
13.5 cm7 Jul 1993Padiham Power Station114666
13.5 cm23 Apr 1985Downstream A59 Road Bridge114847
13.4 cm21 May 1984Upstream Altham bridge112808

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 A59 Road Bridge16 May 201218 Oct 20182
Padiham Power Station7 Jul 19937 Jul 19931
Pendle Hall20 Sept 198820 Sept 19881
Upstream Altham bridge21 May 198412 Sept 19883
Downstream A59 Road Bridge23 Apr 198523 Apr 19851

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

1984–2018

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 106 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
10.7 cm
Median
11.6 cm
Upper quarter
12.5 cm
Largest
15.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Calder

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

European eel Brown / sea trout Bullhead Chub Roach Perch

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 →