Bullhead · Cottus gobio

Bullhead in the River Can (Headwaters)

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River Can (Headwaters) was 9 cm, recorded at Pengy Mill on 17 February 1998.

Across 85 measured bullhead, the median measured length was 6.2 cm.

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

See bullhead records across England →

Most recent observation30 March 2012Clatterford End · 12 fish

Largest measured bullhead: 9 cm
Median length: 6.2 cm
Fish measured: 85
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 cm	17 Feb 1998	Pengy Mill	13427
8.6 cm	8 Mar 2005	Newarks	84255
8.4 cm	30 Mar 2012	Clatterford End	131125
8.1 cm	17 Feb 1998	Pengy Mill	13427
8.1 cm	17 Feb 1998	Pengy Mill	13427
8 cm	17 Feb 1998	Pengy Mill	13427
8 cm	17 Feb 1998	Pengy Mill	13427
7.9 cm	8 Mar 2005	Pengy Mill	84253
7.7 cm	8 Mar 2005	Pengy Mill	84253
7.7 cm	17 Feb 1998	Pengy Mill	13427

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
Clatterford End	8 Mar 2005	30 Mar 2012	2
Pengy Mill	17 Feb 1998	8 Mar 2005	2
Newarks	19 Feb 1998	8 Mar 2005	2

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

1998–2012

Survey records by year

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

298

099

000

001

002

003

004

305

006

007

008

009

010

011

112

Fish measured by surveyors

Measured length distribution

See how the 85 measured fish were spread across different length ranges.

Smallest: 3.2 cm
Lower quarter: 5.3 cm
Median: 6.2 cm
Upper quarter: 7.1 cm
Largest: 9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Can (Headwaters)

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

3-spined stickleback Minnow 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 →