RiverFish

Bullhead · Cottus gobio

Bullhead in the Old Durham Beck

Largest measured bullhead: 9.3 cm

The largest bullhead measured in Environment Agency surveys of the Old Durham Beck was 9.3 cm, recorded at Old Durham Beck at Shincliffe on 12 August 2009.

Across 4 measured bullhead, the median measured length was 8.7 cm.

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

See bullhead records across England →

Most recent observation12 June 2025Old Durham Beck at Shincliffe
Largest measured bullhead
9.3 cm
Median length
8.7 cm
Fish measured
4
Survey locations
2

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 cm12 Aug 2009Old Durham Beck at Shincliffe121119
9 cm12 Aug 2009Old Durham Beck at Shincliffe121119
8.3 cm12 Aug 2009Old Durham Beck at Shincliffe121119
7.5 cm12 Aug 2009Old Durham Beck at Shincliffe121119

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
Old Durham Beck at Shincliffe27 Aug 200712 Jun 20257
Coalford Bridge28 Oct 201928 Oct 20191

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

2007–2025

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 4 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
8.1 cm
Median
8.7 cm
Upper quarter
9.1 cm
Largest
9.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Old Durham Beck

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

3-spined stickleback Stone loach Atlantic salmon 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 →