Bullhead · Cottus gobio

Bullhead in the Bourne Brook

Largest measured bullhead: 10 cm

The largest bullhead measured in Environment Agency surveys of the Bourne Brook was 10 cm, recorded at Nightingale Hall on 15 January 1997.

Across 151 measured bullhead, the median measured length was 6.5 cm.

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

See bullhead records across England →

Most recent observation13 March 2015Nightingale Hall · 28 fish

Largest measured bullhead: 10 cm
Median length: 6.5 cm
Fish measured: 151
Survey locations: 5

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 cm	15 Jan 1997	Nightingale Hall	13395
9.2 cm	4 Mar 2003	Nightingale Hall	79255
9.1 cm	4 Mar 2003	Nightingale Hall	79255
9.1 cm	4 Mar 2003	Bounces Farm	79252
9.1 cm	15 Jan 1997	Letches Farm	13397
9 cm	5 Mar 2003	Letches Farm	79253
9 cm	14 Feb 2003	Bakers Farm	79251
8.9 cm	14 Jan 1997	Bakers Farm	13399
8.5 cm	18 Feb 2015	Bakers Farm	144629
8.5 cm	4 Mar 2003	Bounces Farm	79252

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
Nightingale Hall	15 Jan 1997	13 Mar 2015	4
Letches Farm	15 Jan 1997	18 Feb 2015	4
Bakers Farm	14 Jan 1997	18 Feb 2015	4
Greenstead Green	14 Jan 1997	4 Mar 2003	2
Bounces Farm	15 Jan 1997	4 Mar 2003	2

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

1997–2015

Survey records by year

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

597

098

099

000

001

002

503

004

005

006

007

008

309

010

011

012

013

014

315

Fish measured by surveyors

Measured length distribution

See how the 151 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 5.7 cm
Median: 6.5 cm
Upper quarter: 7.5 cm
Largest: 10 cm

0–99 mm

150

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bourne Brook

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

3-spined stickleback Roach Stone loach Gudgeon Perch Minnow

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 →