Bullhead · Cottus gobio

Bullhead in the Platt/Potford Brook

Largest measured bullhead: 8 cm

The largest bullhead measured in Environment Agency surveys of the Platt/Potford Brook was 8 cm, recorded at Sandyford Farm on 22 April 2015.

Across 18 measured bullhead, the median measured length was 5.2 cm.

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

See bullhead records across England →

Most recent observation16 May 2023Sandyford Farm

Largest measured bullhead: 8 cm
Median length: 5.2 cm
Fish measured: 18
Survey locations: 2

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
8 cm	22 Apr 2015	Sandyford Farm	144580
7.2 cm	22 Apr 2015	Sandyford Farm	144580
7 cm	22 Apr 2015	Sandyford Farm	144580
6.5 cm	22 Apr 2015	Sandyford Farm	144580
6.2 cm	22 Apr 2015	Sandyford Farm	144580
6 cm	22 Apr 2015	Sandyford Farm	144580
5.8 cm	22 Apr 2015	Sandyford Farm	144580
5.6 cm	22 Apr 2015	Sandyford Farm	144580
5.2 cm	22 Apr 2015	Sandyford Farm	144580
5.2 cm	22 Apr 2015	Sandyford Farm	144580

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
Sandyford Farm	22 Apr 2015	16 May 2023	5
Potford Farm	12 May 1992	12 May 1992	1

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

1992–2023

Survey records by year

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

192

093

094

095

096

097

098

099

000

001

002

003

004

005

006

007

008

009

010

011

012

013

014

115

016

017

018

119

020

121

122

123

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 4.4 cm
Median: 5.2 cm
Upper quarter: 6.2 cm
Largest: 8 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Platt/Potford Brook

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

Brown / sea trout

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 →