RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Dearne

Largest measured gudgeon: 20.4 cm

The largest gudgeon measured in Environment Agency surveys of the River Dearne was 20.4 cm, recorded at Darfield (expanded 2016) on 20 June 2008.

Across 2,803 measured gudgeon, the median measured length was 9.7 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 Dearne.

See gudgeon records across England →

Most recent observation2 July 2026Darfield (expanded 2016) · 4 fish
Largest measured gudgeon
20.4 cm
Median length
9.7 cm
Fish measured
2,803
Survey locations
24

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
20.4 cm20 Jun 2008Darfield (expanded 2016)114565
19 cm17 Jun 2024Stairfoot165211
18 cm11 Sept 2004Old Moor upstream site83594
17.4 cm19 Aug 2004Stairfoot83024
17.3 cm4 Dec 1991Broomhill109706
16 cm17 Aug 2004meanders u/s Pastures Bridge83593
16 cm9 Jul 2002meanders u/s Pastures Bridge67800
16 cm19 May 1997Old Moor downstream site109676
15.7 cm23 May 1997Downstream Broomhill bridge109672
15.5 cm26 Jun 2006Downstream Broomhill bridge101707

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
Darfield (expanded 2016)20 Apr 19832 Jul 202615
meanders u/s Pastures Bridge6 Oct 198218 Jun 202626
Stairfoot5 Oct 198217 Jun 202629
Pastures Bridge - Fry Survey18 Sept 199712 Aug 202517
Haigh roundabout19 Apr 19836 Aug 20259
Darton Scout Clubhouse19 Jun 20086 Aug 20253
Adwick-on-Dearne23 Jun 201121 Jun 20172
Darfield (Top Weir)20 Jun 200826 Jul 20123
Downstream Broomhill bridge23 May 199721 Jun 201112
Baraugh Bridge28 Sept 200720 Jun 20115
Old Moor upstream site19 May 199726 Jun 20064
Star Paper Mill Weir20 Apr 198316 Sept 20046
Downstream railway bridge (d/s control)14 May 199719 Jul 19992
Old Moor downstream site19 May 199714 Jul 19992
Downstream Lundwood STW29 Jun 199929 Jun 19991
Cudworth21 Jul 198829 Jun 19993
Pastures Bridge4 Dec 19917 May 19983
Harlington (u/s improvement)29 Oct 199729 Oct 19971
Broomhill5 Oct 198217 Oct 19977
Cudworth, u/s railway18 Sept 199718 Sept 19971
Downstream Cawthorne Dyke5 Aug 19945 Aug 19941
Bolton-0n-Dearne10 May 198322 Jul 19882
Low Barugh14 Jul 198814 Jul 19881
Near Hoyle Mill25 Jun 198525 Jun 19851

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

1982–2026

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 2,803 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
4.8 cm
Median
9.7 cm
Upper quarter
11.3 cm
Largest
20.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dearne

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

3-spined stickleback Brown / sea trout Chub Roach Minnow Perch

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 →