Bullhead · Cottus gobio

Bullhead in the Chad Brook (Headwaters)

Largest measured bullhead: 9.3 cm

The largest bullhead measured in Environment Agency surveys of the Chad Brook (Headwaters) was 9.3 cm, recorded at Rowhedge Farm on 25 February 1997.

Across 35 measured bullhead, the median measured length was 6.6 cm.

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

See bullhead records across England →

Most recent observation27 January 2016Rowhedge Farm · 5 fish

Largest measured bullhead: 9.3 cm
Median length: 6.6 cm
Fish measured: 35
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
9.3 cm	25 Feb 1997	Rowhedge Farm	13365
9 cm	7 Jan 2004	Bridge Street	79331
8.8 cm	7 Jan 2004	Hall Farm	79335
8.3 cm	7 Jan 2004	Rowhedge Farm	79321
8.1 cm	7 Jan 2004	Rowhedge Farm	79321
7.7 cm	16 Feb 2010	Hall Farm	121260
7.6 cm	27 Jan 2016	Rowhedge Farm	147893
7.3 cm	24 Feb 1997	Bridge Street	13364
7.2 cm	7 Jan 2004	Rowhedge Farm	79321
7.2 cm	7 Jan 2004	Rowhedge Farm	79321

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
Rowhedge Farm	25 Feb 1997	27 Jan 2016	3
Hall Farm	7 Jan 2004	16 Feb 2010	2
Shimpling STW	7 Jan 2004	7 Jan 2004	1
Bridge Street	24 Feb 1997	7 Jan 2004	2

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

1997–2016

Survey records by year

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

297

098

099

000

001

002

003

404

005

006

007

008

009

110

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 35 measured fish were spread across different length ranges.

Smallest: 4.7 cm
Lower quarter: 6 cm
Median: 6.6 cm
Upper quarter: 7.2 cm
Largest: 9.3 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Chad Brook (Headwaters)

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

3-spined stickleback Stone loach 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 →