Bullhead · Cottus gobio

Bullhead in the River Cone Pill

Largest measured bullhead: 9.7 cm

The largest bullhead measured in Environment Agency surveys of the River Cone Pill was 9.7 cm, recorded at Alvington on 22 June 1998.

Across 143 measured bullhead, the median measured length was 6.8 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 Cone Pill.

See bullhead records across England →

Most recent observation5 June 2009Plusterwine (d/s bridge / ford)

Largest measured bullhead: 9.7 cm
Median length: 6.8 cm
Fish measured: 143
Survey locations: 4

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
9.7 cm	22 Jun 1998	Alvington	24948
9.1 cm	9 Jan 2001	Alvington	24163
9 cm	25 May 2004	Alvington	80110
9 cm	27 Nov 1987	Alvington	24973
9 cm	27 Nov 1987	Alvington	24973
8.9 cm	3 Apr 2002	Fishing lake (d/s WRW)	25760
8.8 cm	7 Sept 1992	Alvington	24944
8.7 cm	3 Apr 2002	Fishing lake (d/s WRW)	25760
8.7 cm	9 Jan 2001	Fishing lake (d/s WRW)	24164
8.7 cm	9 Jan 2001	Fishing lake (d/s WRW)	24164

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
Plusterwine (d/s bridge / ford)	9 May 2003	5 Jun 2009	2
Alvington	27 Nov 1987	27 May 2009	10
Fishing lake (d/s WRW)	9 Jan 2001	19 Apr 2006	5
Small Brook	7 Sept 1992	24 Sept 2003	4

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

1987–2009

Survey records by year

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

187

088

089

090

091

292

093

094

195

096

097

298

099

000

301

102

503

204

005

206

007

008

209

Fish measured by surveyors

Measured length distribution

See how the 143 measured fish were spread across different length ranges.

Smallest: 3.6 cm
Lower quarter: 5.9 cm
Median: 6.8 cm
Upper quarter: 7.7 cm
Largest: 9.7 cm

0–99 mm

143

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cone Pill

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

European eel Brown / sea trout Brook lamprey 3-spined stickleback Flounder

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 →