RiverFish

Gudgeon · Gobio gobio

Gudgeon in the South Forty Foot Drain

Largest measured gudgeon: 12 cm

The largest gudgeon measured in Environment Agency surveys of the South Forty Foot Drain was 12 cm, recorded at Swineshead Bridge Downstream on 5 July 1990.

Across 194 measured gudgeon, the median measured length was 8.3 cm.

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

See gudgeon records across England →

Most recent observation24 August 2005Wyberton Bridge Upstream · 3 fish
Largest measured gudgeon
12 cm
Median length
8.3 cm
Fish measured
194
Survey locations
9

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
12 cm5 Jul 1990Swineshead Bridge Downstream57719
11.8 cm10 Jul 1990Upstream Rod Rest57720
11.6 cm10 Jul 1995Upstream Rod Rest57730
11.5 cm10 Jul 1995Upstream Rod Rest57730
11.3 cm5 Jul 1990Swineshead Bridge Downstream57719
11.3 cm22 Jul 1987Downstream AWA Wyberton Labortory57702
11.1 cm24 Aug 2005Wyberton Bridge Upstream87606
11.1 cm10 Jul 1995Upstream Rod Rest57730
11.1 cm10 Jul 1990Upstream Rod Rest57720
11 cm10 Jul 1995Upstream Rod Rest57730

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
Wyberton Bridge Upstream24 Jul 198724 Aug 20054
Swineshead Bridge Downstream14 Jul 198718 Aug 20055
Upstream Rod Rest13 Jul 198726 Jul 19994
Swineshead Bridge1 Jul 19873 Jul 19953
Bicker Fen3 Jul 199029 Jun 19952
Hubberts Bridge R/B Upstream15 Jul 198712 Jul 19902
Neslam Bridge25 Jun 199025 Jun 19901
Downstream AWA Wyberton Labortory22 Jul 198722 Jul 19871
Dowsby Road16 Jun 198716 Jun 19871

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

1987–2005

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 194 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
7.2 cm
Median
8.3 cm
Upper quarter
9.2 cm
Largest
12 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the South Forty Foot Drain

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

Perch Roach Pike Common bream Silver bream Dace

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 →