Gudgeon · Gobio gobio

Gudgeon in the Trader/Maud Foster Drain

Largest measured gudgeon: 13.8 cm

The largest gudgeon measured in Environment Agency surveys of the Trader/Maud Foster Drain was 13.8 cm, recorded at Upstream Boston Golf Club on 22 May 1990.

Across 320 measured gudgeon, the median measured length was 8.4 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Trader/Maud Foster Drain.

See gudgeon records across England →

Most recent observation12 July 2011Trader Bank Sibsey · 2 fish

Largest measured gudgeon: 13.8 cm
Median length: 8.4 cm
Fish measured: 320
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.

Length	Survey date	Survey location	Survey ID
13.8 cm	22 May 1990	Upstream Boston Golf Club	58215
12.6 cm	24 May 2000	Trader Bank Sibsey	59005
12.3 cm	17 May 1990	Windsor Bank Boston	58216
12.2 cm	23 May 2000	Sibsey Fenside	59006
12.1 cm	23 May 2000	Sibsey Fenside	59006
12 cm	23 May 2000	Sibsey Fenside	59006
11.8 cm	23 May 2000	Sibsey Fenside	59006
11.5 cm	3 Jun 1987	Upstream Boston Golf Club	58198
11.3 cm	19 Jun 2008	Trader Bank Sibsey	111517
11.3 cm	25 May 2000	Upstream Boston Golf Club	59004

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 surveyed	First recorded	Last recorded	Visits finding gudgeon
Trader Bank Sibsey	10 Jun 1987	12 Jul 2011	13
Windsor Bank Boston	17 May 1990	14 Jun 2010	4
Upstream Boston Golf Club	3 Jun 1987	8 Jun 2010	9
Horncastle Road	10 May 1993	8 Jun 2007	7
Sibsey Fenside	9 Jun 1987	23 May 2000	4

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

1987–2011

Survey records by year

Each bar shows how many survey visits recorded gudgeon that year.

387

088

089

490

091

092

493

094

095

296

097

098

099

300

001

202

203

004

205

206

407

308

209

310

111

Fish measured by surveyors

Measured length distribution

See how the 320 measured fish were spread across different length ranges.

Smallest: 4.8 cm
Lower quarter: 7.3 cm
Median: 8.4 cm
Upper quarter: 9.3 cm
Largest: 13.8 cm

0–99 mm

267

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Trader/Maud Foster Drain

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

Common bream Roach Perch Pike Silver bream Ruffe

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 →