RiverFish

Bullhead · Cottus gobio

Bullhead in the River Sherston Avon

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River Sherston Avon was 9 cm, recorded at D/s Hyam Farm on 11 October 2016.

Across 42 measured bullhead, the median measured length was 5 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 Sherston Avon.

See bullhead records across England →

Most recent observation23 August 2022Easton Town Bridge (Se-05)
Largest measured bullhead
9 cm
Median length
5 cm
Fish measured
42
Survey locations
7

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 cm11 Oct 2016D/s Hyam Farm149659
8.7 cm11 Oct 2016D/s Hyam Farm149659
8.6 cm11 Oct 2016D/s Hyam Farm149659
8.6 cm11 Oct 2016D/s Hyam Farm149659
8.3 cm11 Oct 2016D/s Hyam Farm149659
7.5 cm11 Oct 2016D/s Hyam Farm149659
7.1 cm11 Oct 2016D/s Hyam Farm149659
7 cm11 Oct 2016D/s Hyam Farm149659
7 cm11 Oct 2016D/s Hyam Farm149659
6.9 cm11 Oct 2016D/s Hyam Farm149659

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
Easton Town Bridge (Se-05)15 Jul 199923 Aug 20224
D/s Hyam Farm4 Aug 199911 Oct 20162
d/s Fosse Way31 Aug 199931 Aug 19991
u/s Hyam Farm4 Aug 19994 Aug 19991
Pinkney Mill19 Jul 199919 Jul 19991
Ruckley30 Jun 199930 Jun 19991
Tubbs Elastics23 Jun 199923 Jun 19991

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

1999–2022

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 42 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
3.7 cm
Median
5.1 cm
Upper quarter
6.8 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Sherston Avon

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

Stone loach Brown / sea trout Minnow 3-spined stickleback Pike Roach

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 →