RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Wharfe

Largest measured gudgeon: 15.6 cm

The largest gudgeon measured in Environment Agency surveys of the River Wharfe was 15.6 cm, recorded at Nunnery on 21 July 2000.

Across 902 measured gudgeon, the median measured length was 8.8 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 Wharfe.

See gudgeon records across England →

Most recent observation22 August 2024Pool Mill · 12 fish
Largest measured gudgeon
15.6 cm
Median length
8.8 cm
Fish measured
902
Survey locations
18

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
15.6 cm21 Jul 2000Nunnery110703
15 cm8 Jul 2010Ulleskelf124960
14.9 cm26 Jul 1996Collingham110409
14.8 cm7 Aug 1996Nunnery110408
14.7 cm1 Jul 2008Tadcaster post 2006111615
14.6 cm24 Jul 1996Tadcaster pre 2006110436
14.5 cm21 Jul 2000Nunnery110703
14.2 cm7 Aug 1998Nunnery110158
13.8 cm21 Jul 2000Nunnery110703
13.8 cm17 Jul 2000Ulleskelf110721

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
Pool Mill27 Jun 199622 Aug 202412
Tadcaster post 20061 Jul 200820 Aug 20243
Harewood14 Aug 202414 Aug 20241
Boston Spa - Fry Survey23 Sept 198617 Aug 20168
Netherby (discretionary only)26 Jul 201626 Jul 20161
Ilkley1 Aug 19961 Sept 20143
Ulleskelf25 Jul 199616 Jul 201413
Knotford15 Aug 19961 Sept 20118
Castley18 Jul 19968 Jul 201011
Tadcaster pre 200624 Jul 199630 Jun 20057
Wetherby Grange12 Aug 199715 Jul 20046
Boston Spa14 Aug 199826 Jul 20033
Tadcaster - Fry Survey18 Sept 200118 Sept 20011
Nunnery7 Aug 199621 Jul 20005
U/s Boston Spa Weir16 Sept 199816 Sept 19981
Smaws Ings16 Sept 199816 Sept 19981
Collingham26 Jul 199625 Jul 19972
Burley Bypass31 Jul 199631 Jul 19961

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

1986–2024

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 902 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
7.1 cm
Median
8.8 cm
Upper quarter
10.8 cm
Largest
15.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wharfe

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

Minnow Bullhead Stone loach Brown / sea trout European eel Chub

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 →