Bullhead · Cottus gobio

Bullhead in the Fivehead River

Largest measured bullhead: 9.4 cm

The largest bullhead measured in Environment Agency surveys of the Fivehead River was 9.4 cm, recorded at South Hill Farm on 5 August 1992.

Across 453 measured bullhead, the median measured length was 5.2 cm.

Surveyors recorded weights for 130 bullhead. The median was 0.1 oz (0.002 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 Fivehead River.

See bullhead records across England →

Most recent observation15 July 2015Brandy Bridge · 152 fish

Largest measured bullhead: 9.4 cm
Median length: 5.2 cm
Fish measured: 453
Survey locations: 9

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
9.4 cm	5 Aug 1992	South Hill Farm	80056
9 cm	17 Apr 2013	Downstream Elm Bridge (Se-06)	135874
8.9 cm	1 May 1990	Two Bridges Farm (Te)	82607
8.7 cm	1 May 1990	Two Bridges Farm (Te)	82607
8.4 cm	17 Apr 2013	Downstream Elm Bridge (Se-06)	135874
8.3 cm	5 Aug 1992	South Hill Farm	80056
8.2 cm	13 Aug 1992	Downstream Elm Bridge (Se-06)	80059
8.1 cm	17 Apr 2013	Downstream Elm Bridge (Se-06)	135874
8.1 cm	17 Apr 2013	Downstream Elm Bridge (Se-06)	135874
8.1 cm	17 Apr 2013	Downstream Elm Bridge (Se-06)	135874

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
Brandy Bridge	15 Jul 2015	15 Jul 2015	1
Two Bridges Farm (Te)	1 May 1990	17 Apr 2013	6
Downstream Elm Bridge (Se-06)	13 Aug 1992	17 Apr 2013	3
Swell Drove	21 Aug 1992	21 Aug 1992	1
Upstream Broad Bridge	20 Aug 1992	20 Aug 1992	1
Downstream Isle Abbots	14 Aug 1992	14 Aug 1992	1
Hatch Green	7 Aug 1992	7 Aug 1992	1
Bickenhall	6 Aug 1992	6 Aug 1992	1
South Hill Farm	5 Aug 1992	5 Aug 1992	1

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

1990–2015

Survey records by year

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

190

091

792

093

094

095

096

097

098

099

000

001

002

103

104

105

006

007

008

009

110

011

112

213

014

115

Fish measured by surveyors

Measured length distribution

See how the 453 measured fish were spread across different length ranges.

Smallest: 1.7 cm
Lower quarter: 4.5 cm
Median: 5.2 cm
Upper quarter: 6.1 cm
Largest: 9.4 cm

0–99 mm

453

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 130 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: 0.1 oz (0.002 kg)
Upper quarter: 0.1 oz (0.003 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 Fivehead River

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

Stone loach European eel Minnow Chub Brown / sea trout Dace

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 →