Gudgeon · Gobio gobio

Gudgeon in the River Hartlake

Largest measured gudgeon: 15 cm

The largest gudgeon measured in Environment Agency surveys of the River Hartlake was 15 cm, recorded at Upper Crannel Farm (Te) on 12 August 2003.

Across 71 measured gudgeon, the median measured length was 8.6 cm.

Surveyors recorded weights for 59 gudgeon. The median was 0.3 oz (0.009 kg) and the largest recorded weight was 1.8 oz (0.05 kg).

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

See gudgeon records across England →

Most recent observation20 June 2012Upper Crannel Farm (Te) · 2 fish

Largest measured gudgeon: 15 cm
Median length: 8.6 cm
Fish measured: 71
Survey locations: 3

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
15 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
11 cm	29 Aug 1991	Hartlake Farm	80440
10.6 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
10.4 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
10.3 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
10.3 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
10.1 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
10.1 cm	29 Aug 1991	Hartlake Farm	80440
10 cm	12 Aug 2003	Upper Crannel Farm (Te)	76662
10 cm	29 Aug 1991	Hartlake Farm	80440

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
Upper Crannel Farm (Te)	19 Sept 1991	20 Jun 2012	3
New Farm	10 Sept 1991	10 Sept 1991	1
Hartlake Farm	29 Aug 1991	29 Aug 1991	1

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

1991–2012

Survey records by year

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

391

092

093

094

095

096

097

098

099

000

001

002

103

004

005

006

007

008

009

010

011

112

Fish measured by surveyors

Measured length distribution

See how the 71 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 6.2 cm
Median: 8.6 cm
Upper quarter: 9.5 cm
Largest: 15 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 59 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.004 kg)
Median: 0.3 oz (0.009 kg)
Upper quarter: 0.4 oz (0.012 kg)
Heaviest: 1.8 oz (0.05 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Hartlake

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

3-spined stickleback Chub European eel Stone loach

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 →