RiverFish

Bullhead · Cottus gobio

Bullhead in the Eel Survey

Largest measured bullhead: 9.9 cm

The largest bullhead measured in Environment Agency surveys of the Eel Survey was 9.9 cm, recorded at Eastville Park on 3 July 2013.

Across 958 measured bullhead, the median measured length was 6.5 cm.

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

See bullhead records across England →

Most recent observation23 April 2014Bossington · 117 fish
Largest measured bullhead
9.9 cm
Median length
6.5 cm
Fish measured
958
Survey locations
8

Individual EA measurements

Largest measured bullhead

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
9.9 cm3 Jul 2013Eastville Park139725
9.6 cm13 Jul 2011Eastville Park127121
9.5 cm27 Jul 2011Bathpool127310
9.4 cm12 Apr 2012Bossington131105
8.8 cm5 Sept 2012Noddy's House133268
8.8 cm19 Apr 2011Bossington126123
8.7 cm5 Sept 2012Noddy's House133268
8.6 cm5 Sept 2012Noddy's House133268
8.5 cm23 Apr 2014Bossington140678
8.5 cm5 Sept 2012Noddy's House133268

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 surveyedFirst recordedLast recordedVisits finding bullhead
Bossington14 May 200823 Apr 20147
Bathpool1 Sept 200929 Aug 20133
Ashford Farm20 Aug 200925 Jul 20132
Riverside Farm4 Jul 20134 Jul 20131
Eastville Park15 Sept 20093 Jul 20133
Bow Bridge19 Sept 201219 Sept 20121
Noddy's House9 Sept 20095 Sept 20122
Stanton Drew8 Sept 200921 Aug 20122

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

2008–2014

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 958 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
5.5 cm
Median
6.5 cm
Upper quarter
7.1 cm
Largest
9.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Eel Survey

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

European eel Roach Gudgeon Perch Stone loach Brown / sea trout

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 →