Bullhead · Cottus gobio

Bullhead in the Leigh Brook

Largest measured bullhead: 7.1 cm

The largest bullhead measured in Environment Agency surveys of the Leigh Brook was 7.1 cm, recorded at Hopton Court on 23 June 2014.

Across 20 measured bullhead, the median measured length was 5.3 cm.

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

See bullhead records across England →

Most recent observation2 July 2026Hopton Court

Largest measured bullhead: 7.1 cm
Median length: 5.3 cm
Fish measured: 20
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
7.1 cm	23 Jun 2014	Hopton Court	141481
6.9 cm	23 Jun 2014	Hopton Court	141481
6.5 cm	23 Jun 2014	Hopton Court	141481
6 cm	23 Jun 2014	Hopton Court	141481
5.9 cm	23 Jun 2014	Hopton Court	141481
5.7 cm	23 Jun 2014	Hopton Court	141481
5.6 cm	23 Jun 2014	Hopton Court	141481
5.5 cm	23 Jun 2014	Hopton Court	141481
5.5 cm	23 Jun 2014	Hopton Court	141481
5.4 cm	23 Jun 2014	Hopton Court	141481

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
Hopton Court	7 May 1991	2 Jul 2026	12
Mousehole	8 Jun 2016	8 Jun 2016	1
Leigh	9 Jun 1993	26 Apr 2005	2
Batchelors Brook	7 May 1991	10 Jul 1997	2

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

1991–2026

Survey records by year

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

291

092

193

094

095

096

197

098

099

000

001

002

003

004

205

006

007

108

009

110

011

112

013

114

015

216

017

118

019

020

121

122

023

124

025

126

Fish measured by surveyors

Measured length distribution

See how the 20 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 4.8 cm
Median: 5.3 cm
Upper quarter: 5.8 cm
Largest: 7.1 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Leigh Brook

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

Brown / sea trout Minnow Stone loach European eel Atlantic salmon Dace

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 →