RiverFish

Bullhead · Cottus gobio

Bullhead in the Gill Beck

Largest measured bullhead: 10.2 cm

The largest bullhead measured in Environment Agency surveys of the Gill Beck was 10.2 cm, recorded at Gill Beck upstream Downholme Ford on 4 August 2016.

Across 37 measured bullhead, the median measured length was 3.7 cm.

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

See bullhead records across England →

Most recent observation21 September 2022Gill Beck upstream Downholme Ford
Largest measured bullhead
10.2 cm
Median length
3.7 cm
Fish measured
37
Survey locations
4

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
10.2 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
8.3 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
8.3 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
8.2 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
7.8 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
7.7 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
7.2 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
6.6 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
6.4 cm4 Aug 2016Gill Beck upstream Downholme Ford148870
6.4 cm4 Aug 2016Gill Beck upstream Downholme Ford148870

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
Gill Beck upstream Downholme Ford4 Aug 201621 Sept 20222
Gill Beck at Downholme Ford2 Jun 200516 Jun 20102
Gill Beck at Hartley Park3 Jun 20053 Jun 20051
Stainton Moor Beck nr Stainton2 Jun 20052 Jun 20051

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

2005–2022

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 37 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
3 cm
Median
3.7 cm
Upper quarter
6.4 cm
Largest
10.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Gill Beck

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

Brown / sea trout

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 →