Bullhead · Cottus gobio

Bullhead in the River Kennett

Largest measured bullhead: 9.4 cm

The largest bullhead measured in Environment Agency surveys of the River Kennett was 9.4 cm, recorded at Freckenham on 28 September 2012.

Across 118 measured bullhead, the median measured length was 6.1 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 Kennett.

See bullhead records across England →

Most recent observation25 September 2024Freckenham · 14 fish

Largest measured bullhead: 9.4 cm
Median length: 6.1 cm
Fish measured: 118
Survey locations: 3

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
9.4 cm	28 Sept 2012	Freckenham	133906
9.1 cm	24 Sept 2014	Mortimers Farm Freckenham	142991
8.9 cm	18 Aug 2011	Freckenham	127470
8.7 cm	24 Sept 2014	Freckenham	142989
8.6 cm	25 Sept 2024	Freckenham	167250
8.5 cm	28 Sept 2012	Freckenham	133906
8.4 cm	24 Sept 2014	Freckenham	142989
8.4 cm	28 Sept 2012	Freckenham	133906
8.4 cm	18 Aug 2011	Freckenham	127470
8.3 cm	18 Aug 2011	Freckenham	127470

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
Freckenham	19 Oct 2005	25 Sept 2024	7
Mortimers Farm Freckenham	24 Sept 2014	24 Sept 2014	1
Beck Bridge	19 Oct 2005	24 Sept 2014	2

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

2005–2024

Survey records by year

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

205

006

007

008

009

010

111

112

013

314

115

016

017

118

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 118 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 5.1 cm
Median: 6.1 cm
Upper quarter: 7.1 cm
Largest: 9.4 cm

0–99 mm

118

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Kennett

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

3-spined stickleback Stone loach Dace Brook lamprey

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 →