RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Romney - Old Windsor

Largest measured gudgeon: 19.5 cm

The largest gudgeon measured in Environment Agency surveys of the River Romney - Old Windsor was 19.5 cm, recorded at Romney Weir Stream on 9 September 2004.

Across 1,108 measured gudgeon, the median measured length was 10.1 cm.

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

See gudgeon records across England →

Most recent observation20 July 2024Romney Weir Stream · 4 fish
Largest measured gudgeon
19.5 cm
Median length
10.1 cm
Fish measured
1,108
Survey locations
7

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
19.5 cm9 Sept 2004Romney Weir Stream82086
14.3 cm4 Sept 2003Upstream Datchet Intake79185
14.1 cm4 Sept 2003Upstream Datchet Intake79185
14 cm2 Sept 2014Romney Weir Stream142535
13.9 cm2 Sept 2014Romney Weir Stream142535
13.9 cm4 Sept 2013Upstream Datchet Intake138873
13.8 cm4 Sept 2003Upstream Datchet Intake79185
13.8 cm4 Sept 2003Romney Weir Stream77803
13.6 cm4 Sept 2003Upstream Datchet Intake79185
13.5 cm4 Sept 2003Upstream Datchet Intake79185

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
Romney Weir Stream1 Sept 200020 Jul 202419
Upstream Datchet Intake4 Sept 20034 Sept 20139
Romney Weir Pool12 Sept 20024 Sept 201310
Blackpotts4 Sept 20035 Sept 20125
Old Windsor Lock Cut5 Sept 20085 Sept 20081
Romney to Jubilee9 Sept 20049 Sept 20041
Romney Main1 Sept 199512 Sept 20025

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

1995–2024

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 1,108 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
9.3 cm
Median
10.1 cm
Upper quarter
10.9 cm
Largest
19.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Romney - Old Windsor

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

Pike Roach Dace Bleak European eel 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 →