RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Riding Mill

Largest measured gudgeon: 13 cm

The largest gudgeon measured in Environment Agency surveys of the River Riding Mill was 13 cm, recorded at Riding Mill Smolt Trap on 7 May 2007.

Across 6 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 Riding Mill.

See gudgeon records across England →

Most recent observation7 May 2007Riding Mill Smolt Trap · 1 fish
Largest measured gudgeon
13 cm
Median length
10.4 cm
Fish measured
6
Survey locations
1

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
13 cm7 May 2007Riding Mill Smolt Trap118459
12.2 cm15 Apr 2006Riding Mill Smolt Trap113692
11.3 cm1 May 2006Riding Mill Smolt Trap113790
9.6 cm22 May 2005Riding Mill Smolt Trap113030
8.5 cm24 May 2004Riding Mill Smolt Trap112044
3.7 cm10 May 2006Riding Mill Smolt Trap114158

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
Riding Mill Smolt Trap24 May 20047 May 20076

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

2004–2007

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
3.7 cm
Lower quarter
8.8 cm
Median
10.5 cm
Upper quarter
12 cm
Largest
13 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Riding Mill

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

Atlantic salmon Brown / sea trout Dace Minnow Chub River lamprey

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 →