RiverFish

Gudgeon · Gobio gobio

Gudgeon in the River Tees

Largest measured gudgeon: 16.1 cm

The largest gudgeon measured in Environment Agency surveys of the River Tees was 16.1 cm, recorded at Temporal Coarse, Low Haile Bridge on 7 September 2015.

Across 3,198 measured gudgeon, the median measured length was 8.9 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 Tees.

See gudgeon records across England →

Most recent observation11 September 2025Temporal Coarse, Low Coniscliffe · 21 fish
Largest measured gudgeon
16.1 cm
Median length
8.9 cm
Fish measured
3,198
Survey locations
34

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
16.1 cm7 Sept 2015Temporal Coarse, Low Haile Bridge146778
15.4 cm16 Sept 2019Temporal Coarse, Neasham155641
14.9 cm4 Aug 2025Temporal Coarse, Low Moor177791
14.9 cm27 Sept 2022Temporal Coarse, Neasham162346
14.9 cm7 Sept 2010Temporal Coarse, Low Moor125087
14.8 cm24 Sept 2009Temporal Coarse, Low Moor120534
14.7 cm24 Sept 2009Temporal Coarse, Low Moor120534
14.5 cm22 Aug 2017Temporal Coarse, Croft151356
14.5 cm24 Sept 2009Temporal Coarse, Low Moor120534
14.3 cm24 Sept 2009Temporal Coarse, Low Moor120534

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
Temporal Coarse, Low Coniscliffe18 Sept 200211 Sept 20259
Temporal Coarse, Neasham13 Aug 200111 Aug 202519
Temporal Coarse, Croft15 Aug 200111 Aug 202516
Temporal Coarse, Low Moor18 Sept 20024 Aug 202519
SAP/BT Annual, Summerhouse Beck - Piercebridge19 Oct 200416 Oct 20234
Temporal Coarse, Low Haile Bridge19 Sept 200218 Sept 201814
SAP/BT Annual, Broken Scar15 Aug 200110 Aug 20168
SAP/BT Annual, Clow Beck - Monk End Farm8 Nov 199527 Oct 20154
Temporal Coarse, Blackwell Bridge7 Oct 200220 Aug 20143
Spatial Coarse, Kent Beck, Neasham23 Sept 201323 Sept 20131
Temporal Coarse, Middleton One Row23 Aug 200114 Oct 20108
Temporal Coarse, Low Worsall16 Sept 200215 Sept 20105
Temporal Coarse, Bassleton Beck - U/s pipe bridge10 Sept 200114 Sept 20107
Temporal Coarse, Thornaby - U/s The Holmes6 Sept 200113 Sept 20107
Temporal Coarse, Broken Scar15 Aug 20017 Sept 20107
SAP/BT Quin, Spa Beck, Spa Cottage16 Nov 200429 Sept 20082
Spatial Coarse, U/s Broken Scar25 Sept 200625 Sept 20061
Spatial Coarse, Sockburn25 Sept 200625 Sept 20061
SAP/BT Quin, Low Coniscliffe25 Sept 200625 Sept 20061
Spatial Coarse, U/s A66 Bridge15 Sept 200615 Sept 20061
Low Moor - Fry Survey2 Sept 19935 Sept 20068
Croft - Fry Survey26 Sept 19945 Sept 200610
Temporal Coarse, Winston20 Aug 20025 Oct 20053
Temporal Coarse, Clow Beck - Monk End Farm27 Sept 200418 Aug 20052
Temporal Coarse, Yarm3 Sept 200115 Aug 20053
Temporal Coarse, Egglescliffe - Leven Mouth12 Sept 200115 Aug 20054
Temporal Coarse, Aislaby3 Sept 20019 Aug 20052
Spatial Coarse, Saltersgill Beck, High Worsall17 Nov 200417 Nov 20041
Spatial Coarse, Spa Beck, Spa Cottage16 Nov 200416 Nov 20041
Spatial Coarse, Bassleton Beck at Bassleton Bridge16 Nov 200416 Nov 20041
SAP/BT Quin, Bassleton Beck, Bassleton Bridge16 Nov 200416 Nov 20041
Spatial Coarse, Blackwell Pumping Station10 Aug 200017 Sept 20034
Temporal Coarse, Swine Lairs u/s ford21 Aug 200221 Aug 20021
Low Worsall Fish Haven - Fry Survey2 Sept 199326 Sept 19942

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

1993–2025

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 3,198 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
6.6 cm
Median
8.9 cm
Upper quarter
10.5 cm
Largest
16.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tees

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

Brown / sea trout Bullhead Minnow Stone loach European eel Atlantic salmon

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 →