RiverFish

Bullhead · Cottus gobio

Bullhead in the River Sheaf

Largest measured bullhead: 10.5 cm

The largest bullhead measured in Environment Agency surveys of the River Sheaf was 10.5 cm, recorded at West View Lane on 1 September 2005.

Across 636 measured bullhead, the median measured length was 6.9 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 Sheaf.

See bullhead records across England →

Most recent observation20 August 2025Abbeydale park
Largest measured bullhead
10.5 cm
Median length
6.9 cm
Fish measured
636
Survey locations
8

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
10.5 cm1 Sept 2005West View Lane87779
10.4 cm1 Sept 2005West View Lane87779
9.9 cm6 Aug 2012Abbeydale park132799
9.7 cm1 Sept 2005West View Lane87779
9.7 cm30 Aug 2005Millhouse Park87777
9.6 cm1 Sept 2017Abbeydale park152059
9.6 cm1 Sept 2005West View Lane87779
9.5 cm1 Sept 2005West View Lane87779
9.4 cm6 Aug 2012Abbeydale park132799
9.3 cm1 Sept 2005West View Lane87779

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
Abbeydale park10 Sept 201020 Aug 20258
Millhouse Park30 Aug 200522 Sept 20234
Little London Road30 Aug 200522 Sept 20234
Abbeydale Industrial Hamlet22 Jan 198618 Aug 20099
West View Lane1 Sept 20051 Sept 20051
Totley Dore Station24 Feb 19883 Nov 19932
Heeley3 Nov 19933 Nov 19931
Downstream Millhouses3 Nov 19933 Nov 19931

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

1986–2025

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 636 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
5.9 cm
Median
6.9 cm
Upper quarter
7.7 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Sheaf

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

Brown / sea trout Stone loach 3-spined stickleback

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 →