Bullhead · Cottus gobio

Bullhead in the Old River Brett

Largest measured bullhead: 10.1 cm

The largest bullhead measured in Environment Agency surveys of the Old River Brett was 10.1 cm, recorded at Swifts Manor on 26 February 2004.

Across 43 measured bullhead, the median measured length was 5.9 cm.

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

See bullhead records across England →

Most recent observation27 January 2016Swifts Manor · 7 fish

Largest measured bullhead: 10.1 cm
Median length: 5.9 cm
Fish measured: 43
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
10.1 cm	26 Feb 2004	Swifts Manor	79443
9.2 cm	27 Jan 2016	Swifts Manor	147894
9 cm	27 Jan 2016	Swifts Manor	147894
7.8 cm	10 Feb 2010	Wagger Farm	121258
7.6 cm	27 Jan 2016	Swifts Manor	147894
7.6 cm	10 Feb 2010	Wagger Farm	121258
7.3 cm	27 Jan 2016	Swifts Manor	147894
7.2 cm	10 Feb 2010	Wagger Farm	121258
7.1 cm	10 Feb 2010	Wagger Farm	121258
7.1 cm	10 Feb 2010	Wagger Farm	121258

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
Wagger Farm	26 Mar 2004	27 Jan 2016	3
Swifts Manor	26 Feb 2004	27 Jan 2016	3

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

2004–2016

Survey records by year

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

204

005

006

007

008

009

210

011

012

013

014

015

216

Fish measured by surveyors

Measured length distribution

See how the 43 measured fish were spread across different length ranges.

Smallest: 2.4 cm
Lower quarter: 4.6 cm
Median: 5.9 cm
Upper quarter: 7.1 cm
Largest: 10.1 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Old River Brett

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 →