Bullhead · Cottus gobio

Bullhead in the Longford Stream

Largest measured bullhead: 8.1 cm

The largest bullhead measured in Environment Agency surveys of the Longford Stream was 8.1 cm, recorded at Sutton Hall on 22 August 2003.

Across 139 measured bullhead, the median measured length was 4.4 cm.

Surveyors recorded weights for 122 bullhead. The median was 0 oz (0.001 kg) and the largest recorded weight was 0.2 oz (0.007 kg).

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

See bullhead records across England →

Most recent observation16 August 2016Sutton Hall · 25 fish

Largest measured bullhead: 8.1 cm
Median length: 4.4 cm
Fish measured: 139
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.

Length	Survey date	Survey location	Survey ID
8.1 cm	22 Aug 2003	Sutton Hall	77003
8 cm	22 Aug 2003	Sutton Hall	77003
7.4 cm	22 Aug 2003	Sutton Hall	77003
7 cm	12 Aug 2011	Sutton Hall	127370
6.6 cm	22 Aug 2003	Sutton Hall	77003
6.6 cm	22 Aug 2003	Sutton Hall	77003
6.5 cm	12 Aug 2011	Sutton Hall	127370
6.5 cm	12 Aug 2011	Sutton Hall	127370
6.5 cm	22 Aug 2003	Sutton Hall	77003
6.3 cm	12 Aug 2011	Sutton Hall	127370

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 surveyed	First recorded	Last recorded	Visits finding bullhead
Sutton Hall	22 Aug 2003	16 Aug 2016	4
Cockfield House	28 Aug 2012	16 Aug 2016	2

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

2003–2016

Survey records by year

Each bar shows how many survey visits recorded bullhead that year.

103

004

005

006

007

008

109

010

111

112

013

014

015

216

Fish measured by surveyors

Measured length distribution

See how the 139 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 3.4 cm
Median: 4.4 cm
Upper quarter: 5.5 cm
Largest: 8.1 cm

0–99 mm

139

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 122 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0 oz (0.001 kg)
Median: 0 oz (0.001 kg)
Upper quarter: 0.1 oz (0.002 kg)
Heaviest: 0.2 oz (0.007 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Longford Stream

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

Pike Roach Perch European eel

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 →