Bullhead · Cottus gobio

Bullhead in the River Snail

Largest measured bullhead: 10 cm

The largest bullhead measured in Environment Agency surveys of the River Snail was 10 cm, recorded at Snailbridge House Fordham on 4 March 2013.

Across 112 measured bullhead, the median measured length was 7 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 Snail.

See bullhead records across England →

Most recent observation14 March 2014Lynx Business Park · 39 fish

Largest measured bullhead: 10 cm
Median length: 7 cm
Fish measured: 112
Survey locations: 5

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 cm	4 Mar 2013	Snailbridge House Fordham	135610
9.5 cm	4 Mar 2013	Snailbridge House Fordham	135610
9.3 cm	14 Mar 2014	Lynx Business Park	140531
9.3 cm	14 Mar 2014	Lynx Business Park	140531
9.3 cm	14 Mar 2014	Lynx Business Park	140531
9.2 cm	14 Mar 2014	Lynx Business Park	140531
9.1 cm	14 Mar 2014	Lynx Business Park	140531
9.1 cm	14 Mar 2014	Lynx Business Park	140531
9.1 cm	14 Mar 2014	Lynx Business Park	140531
9 cm	4 Mar 2013	Snailbridge House Fordham	135610

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
Lynx Business Park	29 Jan 2008	14 Mar 2014	3
Snailbridge House Fordham	30 Jan 2008	28 Feb 2014	3
Ironbridge Fordham	30 Jan 2008	30 Jan 2008	1
Snailwell Fen	29 Jan 2008	29 Jan 2008	1
Snailwell Gauging Station	26 Feb 2004	26 Feb 2004	1

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

2004–2014

Survey records by year

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

104

005

006

007

408

009

010

011

112

113

214

Fish measured by surveyors

Measured length distribution

See how the 112 measured fish were spread across different length ranges.

Smallest: 3.1 cm
Lower quarter: 5.7 cm
Median: 7 cm
Upper quarter: 8.1 cm
Largest: 10 cm

0–99 mm

111

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Snail

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

3-spined stickleback Brook lamprey Pike 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 →