Bullhead · Cottus gobio

Bullhead in the Eau

Largest measured bullhead: 11.6 cm

The largest bullhead measured in Environment Agency surveys of the Eau was 11.6 cm, recorded at Scotter on 10 May 2013.

Across 163 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 Eau.

See bullhead records across England →

Most recent observation27 May 2025Scotter

Largest measured bullhead: 11.6 cm
Median length: 6.2 cm
Fish measured: 163
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
11.6 cm	10 May 2013	Scotter	136060
10.3 cm	10 May 2013	Scotter	136060
9.8 cm	10 May 2013	Scotter	136060
9.7 cm	22 May 2019	Scotter	154510
9.6 cm	22 May 2019	Scotter	154510
9.6 cm	23 Jun 2011	Scotter	126631
9.4 cm	10 May 2013	Scotter	136060
9.4 cm	10 May 2013	Scotter	136060
9.3 cm	10 May 2013	Trent Confluence	139643
9.2 cm	10 May 2013	Scotter	136060

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
Scotter	23 Aug 2006	27 May 2025	7
Trent Confluence	10 May 2013	10 May 2013	1

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

2006–2025

Survey records by year

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

106

007

008

009

010

111

012

213

014

115

016

117

018

119

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 163 measured fish were spread across different length ranges.

Smallest: 1.6 cm
Lower quarter: 4.6 cm
Median: 6.2 cm
Upper quarter: 7.4 cm
Largest: 11.6 cm

0–99 mm

161

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eau

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

European eel 3-spined stickleback Stone loach Perch Dace Gudgeon

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 →