Gudgeon · Gobio gobio

Gudgeon in the Poolstock Brook

Largest measured gudgeon: 14.9 cm

The largest gudgeon measured in Environment Agency surveys of the Poolstock Brook was 14.9 cm, recorded at ptc Douglas on 18 June 2002.

Across 25 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 Poolstock Brook.

See gudgeon records across England →

Most recent observation24 July 2006ptc Douglas · 20 fish

Largest measured gudgeon: 14.9 cm
Median length: 11.5 cm
Fish measured: 25
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.

Length	Survey date	Survey location	Survey ID
14.9 cm	18 Jun 2002	ptc Douglas	72018
14.5 cm	18 Jun 2002	ptc Douglas	72018
13 cm	24 Jul 2006	ptc Douglas	101273
12.6 cm	24 Jul 2006	ptc Douglas	101273
12.5 cm	24 Jul 2006	ptc Douglas	101273
12.1 cm	24 Jul 2006	ptc Douglas	101273
12.1 cm	24 Jul 2006	ptc Douglas	101273
12.1 cm	9 Jul 2003	ptc Douglas	77937
12 cm	24 Jul 2006	ptc Douglas	101273
11.7 cm	24 Jul 2006	ptc Douglas	101273

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
ptc Douglas	13 Jul 2000	24 Jul 2006	6

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

2000–2006

Survey records by year

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

100

001

102

103

104

105

106

Fish measured by surveyors

Measured length distribution

See how the 25 measured fish were spread across different length ranges.

Smallest: 7.3 cm
Lower quarter: 10.8 cm
Median: 11.5 cm
Upper quarter: 12.1 cm
Largest: 14.9 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Poolstock Brook

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

Chub European eel Perch Dace Roach

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 →