RiverFish

Bullhead · Cottus gobio

Bullhead in the River Shep

Largest measured bullhead: 9.4 cm

The largest bullhead measured in Environment Agency surveys of the River Shep was 9.4 cm, recorded at Manor Farm Shepreth on 5 June 2013.

Across 92 measured bullhead, the median measured length was 6 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 Shep.

See bullhead records across England →

Most recent observation5 June 2013Manor Farm Shepreth · 7 fish
Largest measured bullhead
9.4 cm
Median length
6 cm
Fish measured
92
Survey locations
6

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
9.4 cm5 Jun 2013Manor Farm Shepreth136223
9.2 cm14 Oct 2010Manor Farm Shepreth124398
9.1 cm5 Jun 2013Manor Farm Shepreth136223
9.1 cm5 Jun 2013Manor Farm Shepreth136223
8.9 cm14 Oct 2010Manor Farm Shepreth124398
8.4 cm14 Oct 2010Manor Farm Shepreth124398
8.3 cm5 Jun 2013Manor Farm Shepreth136223
8.3 cm14 Oct 2010Manor Farm Shepreth124398
8.1 cm14 Oct 2010Fowlmere Cress Shed124396
7.8 cm5 Jun 2013Manor Farm Shepreth136223

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
Manor Farm Shepreth14 Oct 20105 Jun 20132
Mill Farm Fowlmere14 Oct 201014 Oct 20101
Fowlmere Footbridge19 Mar 200114 Oct 20102
Fowlmere Cress Shed14 Oct 201014 Oct 20101
Rhee Confluence10 Oct 200810 Oct 20081
DS Fowlmere Cress Shed19 Mar 200119 Mar 20011

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

2001–2013

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 92 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
5.3 cm
Median
6 cm
Upper quarter
7.3 cm
Largest
9.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Shep

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

Brown / sea trout 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 →