Bullhead · Cottus gobio

Bullhead in the Rickford Stream

Largest measured bullhead: 9.2 cm

The largest bullhead measured in Environment Agency surveys of the Rickford Stream was 9.2 cm, recorded at Emley Lane on 23 August 1994.

Across 42 measured bullhead, the median measured length was 6.2 cm.

Surveyors recorded weights for 40 bullhead. The median was 0.1 oz (0.004 kg) and the largest recorded weight was 0.4 oz (0.011 kg).

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

See bullhead records across England →

Most recent observation5 April 2005Havyatt (Se-05) · 17 fish

Largest measured bullhead: 9.2 cm
Median length: 6.2 cm
Fish measured: 42
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
9.2 cm	23 Aug 1994	Emley Lane	79709
8.8 cm	23 Aug 1994	Havyatt (Se-05)	79710
8.7 cm	23 Aug 1994	Emley Lane	79709
8.1 cm	23 Aug 1994	Emley Lane	79709
8 cm	23 Aug 1994	Emley Lane	79709
7.9 cm	23 Aug 1994	Emley Lane	79709
7.9 cm	23 Aug 1994	Emley Lane	79709
7.8 cm	23 Aug 1994	Emley Lane	79709
7.5 cm	23 Aug 1994	Emley Lane	79709
7.4 cm	23 Aug 1994	Havyatt (Se-05)	79710

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
Havyatt (Se-05)	23 Aug 1994	5 Apr 2005	3
Emley Lane	23 Aug 1994	6 Oct 1999	2

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

1994–2005

Survey records by year

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

294

095

096

097

098

299

000

001

002

003

004

105

Fish measured by surveyors

Measured length distribution

See how the 42 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 5.5 cm
Median: 6.2 cm
Upper quarter: 7.3 cm
Largest: 9.2 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 40 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.002 kg)
Median: 0.1 oz (0.004 kg)
Upper quarter: 0.2 oz (0.006 kg)
Heaviest: 0.4 oz (0.011 kg)

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

More fish in this river

Explore the Rickford Stream

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

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 →