Bullhead · Cottus gobio

Bullhead in the Week St. Mary Stream

Largest measured bullhead: 7.9 cm

The largest bullhead measured in Environment Agency surveys of the Week St. Mary Stream was 7.9 cm, recorded at Kitsham on 10 August 2010.

Across 82 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 Week St. Mary Stream.

See bullhead records across England →

Most recent observation28 September 2016Kitsham · 10 fish

Largest measured bullhead: 7.9 cm
Median length: 5.2 cm
Fish measured: 82
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
7.9 cm	10 Aug 2010	Kitsham	123390
7 cm	12 Aug 2010	Week Ford	123445
7 cm	10 Aug 2010	Kitsham	123390
6.7 cm	12 Aug 2010	Week Ford	123445
6.7 cm	12 Aug 2010	Week Ford	123445
6.6 cm	28 Sept 2016	Kitsham	149672
6.5 cm	12 Aug 2010	Week Ford	123445
6.5 cm	12 Aug 2010	Week Ford	123445
6.4 cm	12 Aug 2010	Week Ford	123445
6.3 cm	28 Sept 2016	Kitsham	149672

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
Kitsham	24 Sept 1987	28 Sept 2016	4
Week Ford	24 Sept 1987	12 Aug 2010	3

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

1987–2016

Survey records by year

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

287

088

089

090

091

092

093

094

095

096

097

098

099

000

001

002

003

004

005

206

007

008

009

210

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 82 measured fish were spread across different length ranges.

Smallest: 1.7 cm
Lower quarter: 3.2 cm
Median: 5.2 cm
Upper quarter: 5.8 cm
Largest: 7.9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Week St. Mary Stream

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

Brown / sea trout Stone loach

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 →