RiverFish

Bullhead · Cottus gobio

Bullhead in the Foulsham Water Course

Largest measured bullhead: 11.3 cm

The largest bullhead measured in Environment Agency surveys of the Foulsham Water Course was 11.3 cm, recorded at Ashcroft Clump on 2 March 2009.

Across 139 measured bullhead, the median measured length was 6.1 cm.

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

See bullhead records across England →

Most recent observation3 March 2015Ashcroft Clump · 11 fish
Largest measured bullhead
11.3 cm
Median length
6.1 cm
Fish measured
139
Survey locations
3

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
11.3 cm2 Mar 2009Ashcroft Clump117047
9.7 cm2 Mar 2009Ashcroft Clump117047
9.3 cm20 Feb 2009Foulsham, Brandhip moat bridleway116987
8.8 cm3 Mar 2015Ashcroft Clump144447
8.8 cm3 Mar 2015Batesmoor Bridleway d/s144446
8.8 cm18 Feb 2014Foulsham, Brandhip moat bridleway140485
8.7 cm20 Feb 2009Foulsham, Brandhip moat bridleway116987
8.5 cm18 Feb 2014Foulsham, Brandhip moat bridleway140485
8.4 cm3 Mar 2015Ashcroft Clump144447
8.3 cm2 Mar 2009Ashcroft Clump117047

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
Batesmoor Bridleway d/s26 Feb 20093 Mar 20152
Ashcroft Clump2 Mar 20093 Mar 20152
Foulsham, Brandhip moat bridleway20 Feb 200918 Feb 20142

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

2009–2015

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 139 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
5.2 cm
Median
6.1 cm
Upper quarter
7.4 cm
Largest
11.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Foulsham Water Course

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

3-spined stickleback Minnow Stone loach 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 →