RiverFish

Bullhead · Cottus gobio

Bullhead in the River Lodon

Largest measured bullhead: 9.3 cm

The largest bullhead measured in Environment Agency surveys of the River Lodon was 9.3 cm, recorded at Stoke Lacey - red carded on 21 August 2014.

Across 115 measured bullhead, the median measured length was 3.4 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 Lodon.

See bullhead records across England →

Most recent observation22 July 2025Hyde Bridge
Largest measured bullhead
9.3 cm
Median length
3.4 cm
Fish measured
115
Survey locations
5

Individual EA measurements

Largest measured bullhead

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

LengthSurvey dateSurvey locationSurvey ID
9.3 cm21 Aug 2014Stoke Lacey - red carded142418
8.9 cm21 Aug 2014Hyde Bridge142417
8.7 cm21 Aug 2014Hyde Bridge142417
7.8 cm21 Aug 2014Hyde Bridge142417
7.8 cm21 Aug 2014Hawkhurst142416
7.5 cm21 Aug 2014Hyde Bridge142417
7.4 cm21 Aug 2014Stoke Lacey - red carded142418
7 cm21 Aug 2014Stoke Lacey - red carded142418
7 cm21 Aug 2014Stoke Lacey - red carded142418
6.9 cm21 Aug 2014Hyde Bridge142417

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where bullhead were found

Each point marks a survey location with at least one bullhead 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 bullhead
Hyde Bridge15 Jul 199222 Jul 202510
Hawkhurst1 Aug 199118 Aug 20218
Stoke Lacey - red carded15 Jul 199217 Aug 201816
Egleton Bridge12 Aug 20034 Sept 20122
The Ark1 Aug 19911 Aug 19911

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

1991–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 115 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
2.8 cm
Median
3.4 cm
Upper quarter
5.5 cm
Largest
9.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lodon

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

Brown / sea trout Minnow European eel

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 →