RiverFish

Gudgeon · Gobio gobio

Gudgeon in the St Ives Chub Stream

Largest measured gudgeon: 15.7 cm

The largest gudgeon measured in Environment Agency surveys of the St Ives Chub Stream was 15.7 cm, recorded at St Ives Chub Stream on 17 April 2013.

Across 226 measured gudgeon, the median measured length was 10 cm.

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

See gudgeon records across England →

Most recent observation8 April 2025St Ives Chub Stream · 78 fish
Largest measured gudgeon
15.7 cm
Median length
10 cm
Fish measured
226
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
15.7 cm17 Apr 2013St Ives Chub Stream135879
13.4 cm17 Apr 2013St Ives Chub Stream135879
13.3 cm4 Dec 1998St Ives Chub Stream29304
13.1 cm2 May 2019St Ives Chub Stream154454
12.8 cm2 May 2019St Ives Chub Stream154454
12.8 cm4 Dec 1998St Ives Chub Stream29304
12.7 cm2 May 2019St Ives Chub Stream154454
12.6 cm8 Apr 2025St Ives Chub Stream176250
12.5 cm8 Apr 2025St Ives Chub Stream176250
12.5 cm2 May 2019St Ives Chub Stream154454

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
St Ives Chub Stream11 Sept 19928 Apr 20257
St Ives Chub Stream (Eel Monitoring)9 Jul 20139 Jul 20131

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

1992–2025

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 226 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
8.5 cm
Median
10 cm
Upper quarter
10.9 cm
Largest
15.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the St Ives Chub Stream

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

European eel Chub Dace Perch Roach Bleak

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 →