Gudgeon · Gobio gobio

Gudgeon in the Main River Axe

Largest measured gudgeon: 12.6 cm

The largest gudgeon measured in Environment Agency surveys of the Main River Axe was 12.6 cm, recorded at Knowle on 1 July 1991.

Across 528 measured gudgeon, the median measured length was 7.3 cm.

Surveyors recorded weights for 156 gudgeon. The median was 0.2 oz (0.007 kg) and the largest recorded weight was 4.6 oz (0.13 kg).

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

See gudgeon records across England →

Most recent observation4 July 2013Riverside Farm (Te) · 5 fish

Largest measured gudgeon: 12.6 cm
Median length: 7.3 cm
Fish measured: 528
Survey locations: 16

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
12.6 cm	1 Jul 1991	Knowle	80711
12.6 cm	28 Jun 1991	Upstream Longwater	80704
12.3 cm	23 Aug 2011	Knowle Farm	127528
11.7 cm	1 Jul 1991	Knowle	80711
11.7 cm	28 Jun 1991	Upstream Longwater	80704
11.6 cm	28 Jun 1991	Upstream Longwater	80704
11.5 cm	1 Jul 1991	Knowle	80711
11.5 cm	28 Jun 1991	Upstream Longwater	80704
11.4 cm	1 Jul 1991	Knowle	80711
11.4 cm	1 Jul 1991	Knowle	80711

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
Riverside Farm (Te)	30 Aug 2002	4 Jul 2013	6
Knowle Farm	23 Aug 2011	23 Aug 2011	1
Clewer (Te)	19 Jul 2007	13 Jul 2010	2
Diamond Farm	17 Oct 2007	17 Oct 2007	1
Poplar Farm (Te)	23 May 1991	16 Aug 2007	3
Latcham	17 Jul 1991	17 Jul 1991	1
Knowle	1 Jul 1991	1 Jul 1991	1
Upstream Longwater	28 Jun 1991	28 Jun 1991	1
The Forks	19 Jun 1991	19 Jun 1991	1
Cocklake	18 Jun 1991	18 Jun 1991	1
Clewer - Oxmoor	18 Jun 1991	18 Jun 1991	1
Downstream Clewer Pumping Station	14 Jun 1991	14 Jun 1991	1
Upper Weare	3 Jun 1991	3 Jun 1991	1
Downstream Lower Weare	28 May 1991	28 May 1991	1
White House Farm	17 May 1991	17 May 1991	1
Downstream Bleadon Sluice	9 May 1991	9 May 1991	1

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

1991–2013

Survey records by year

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

1291

092

093

094

095

096

097

098

099

000

001

102

103

104

005

106

407

008

009

210

111

012

113

Fish measured by surveyors

Measured length distribution

See how the 528 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 6.4 cm
Median: 7.3 cm
Upper quarter: 8.5 cm
Largest: 12.6 cm

0–99 mm

474

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 156 gudgeon. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.2 oz (0.005 kg)
Median: 0.2 oz (0.007 kg)
Upper quarter: 0.4 oz (0.01 kg)
Heaviest: 4.6 oz (0.13 kg)

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

More fish in this river

Explore the Main River Axe

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

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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 →