Gudgeon · Gobio gobio

Gudgeon in the Medbourne Brook

Largest measured gudgeon: 16 cm

The largest gudgeon measured in Environment Agency surveys of the Medbourne Brook was 16 cm, recorded at Medbourne - Medbourne Brook on 16 April 1996.

Across 192 measured gudgeon, the median measured length was 11.5 cm.

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

See gudgeon records across England →

Most recent observation19 May 2004Medbourne - Medbourne Brook · 4 fish

Largest measured gudgeon: 16 cm
Median length: 11.5 cm
Fish measured: 192
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.

Length	Survey date	Survey location	Survey ID
16 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
16 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
15.5 cm	15 May 2000	Medbourne - Medbourne Brook	73297
15.5 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562
15 cm	4 Apr 1990	Blaston - Medbourne Brook	54542
14.5 cm	15 May 2000	Medbourne - Medbourne Brook	73297
14.5 cm	15 May 2000	Medbourne - Medbourne Brook	73297
14 cm	15 May 2000	Medbourne - Medbourne Brook	73297
14 cm	15 May 2000	Medbourne - Medbourne Brook	73297
14 cm	16 Apr 1996	Medbourne - Medbourne Brook	54562

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
Medbourne - Medbourne Brook	3 Apr 1990	19 May 2004	5
Blaston - Medbourne Brook	4 Apr 1990	16 May 2000	3

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

1990–2004

Survey records by year

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

290

091

092

293

094

095

196

097

098

099

200

001

002

003

104

Fish measured by surveyors

Measured length distribution

See how the 192 measured fish were spread across different length ranges.

Smallest: 6 cm
Lower quarter: 10 cm
Median: 11.5 cm
Upper quarter: 13 cm
Largest: 16 cm

0–99 mm

100–199 mm

152

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medbourne Brook

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

Roach Chub Minnow Stone loach 3-spined stickleback 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 →