RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Weaver

Largest measured gudgeon: 19.1 cm

The largest gudgeon measured in Environment Agency surveys of the River Weaver was 19.1 cm, recorded at We23 on 29 June 1999.

Across 586 measured gudgeon, the median measured length was 10.4 cm.

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

See gudgeon records across England →

Most recent observation23 July 2026Wewe25 · 4 fish
Largest measured gudgeon
19.1 cm
Median length
10.4 cm
Fish measured
586
Survey locations
19

Individual EA measurements

Largest measured gudgeon

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
19.1 cm29 Jun 1999We2360366
17 cm13 Jul 2006Wewe24100174
17 cm13 Sept 2002Wewe0564240
15.1 cm29 Jun 1999We2360366
15 cm29 Jun 1999We2360366
14.7 cm21 Jul 2003Wewe0576411
14.4 cm6 Sept 1999Wewe2060461
14.4 cm29 Jun 1999We2360366
14.3 cm8 Jun 2004Wewe0580204
14 cm6 Jun 2015Wewe03145422

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 surveyedFirst recordedLast recordedVisits finding gudgeon
Wewe2525 Jun 199923 Jul 20269
Wewe0418 Jun 202618 Jun 20261
Wewe2413 Jul 200619 Aug 20243
Wewe0313 Aug 20146 Jun 20152
Wewe0513 Sept 20022 Aug 20105
Wewe206 Sept 199923 Jul 20083
Wewe2811 Jul 200621 Jul 20082
Wewe1030 Jun 199921 Jul 20083
We416 Sept 19996 Sept 19991
We396 Sept 19996 Sept 19991
We44A20 Jul 199920 Jul 19991
We386 Jul 19996 Jul 19991
We376 Jul 19996 Jul 19991
We3130 Jun 199930 Jun 19991
We2830 Jun 199930 Jun 19991
We2630 Jun 199930 Jun 19991
We2329 Jun 199929 Jun 19991
We2426 Jun 199926 Jun 19991
We3525 Jun 199925 Jun 19991

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

1999–2026

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 586 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
9.3 cm
Median
10.4 cm
Upper quarter
11.5 cm
Largest
19.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Weaver

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

Stone loach Roach Chub Perch 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 →