Bullhead · Cottus gobio

Bullhead in the River Isbourne

Largest measured bullhead: 10.5 cm

The largest bullhead measured in Environment Agency surveys of the River Isbourne was 10.5 cm, recorded at Dumbleton Mill on 11 August 1998.

Across 333 measured bullhead, the median measured length was 7.1 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 Isbourne.

See bullhead records across England →

Most recent observation17 April 2013Wormington · 40 fish

Largest measured bullhead: 10.5 cm
Median length: 7.1 cm
Fish measured: 333
Survey locations: 10

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
10.5 cm	11 Aug 1998	Dumbleton Mill	52106
10 cm	17 Apr 2013	Greet	135877
10 cm	17 Apr 2013	Greet	135877
10 cm	16 Apr 2013	Hinton-on-the-Green	135846
10 cm	11 Aug 1998	Greet	52103
10 cm	10 Aug 1998	Hampton Mill, Evesham	52126
9.7 cm	11 Aug 1998	Dumbleton Mill	52106
9.7 cm	11 Aug 1998	Greet	52103
9.6 cm	11 Aug 1998	Greet	52103
9.5 cm	16 Apr 2013	Hinton-on-the-Green	135846

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
Wormington	14 Apr 2004	17 Apr 2013	2
Greet	24 Jun 1992	17 Apr 2013	4
Hinton-on-the-Green	23 Jun 1992	16 Apr 2013	6
Hinton-on-the-Green d/s weir	10 Sept 2012	10 Sept 2012	1
Hampton Mill, Evesham	23 Jun 1992	10 Sept 2012	4
Winchcombe, u/s WRW	25 Jun 1992	22 Jul 2003	4
u/s Sedgeberrow WRW	23 Jun 1992	8 Apr 2003	3
d/s Postlip	17 Aug 1998	17 Aug 1998	1
Dumbleton Mill	11 Aug 1998	11 Aug 1998	1
d/s Sedgeberrow	23 Jun 1992	10 Aug 1998	2

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

1992–2013

Survey records by year

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

692

093

094

195

096

097

898

099

000

001

002

403

204

005

006

007

008

009

010

111

312

313

Fish measured by surveyors

Measured length distribution

See how the 333 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 6.1 cm
Median: 7.1 cm
Upper quarter: 8 cm
Largest: 10.5 cm

0–99 mm

327

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Isbourne

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

Brown / sea trout Stone loach European eel Minnow Gudgeon Chub

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 →