RiverFish

Bullhead · Cottus gobio

Bullhead in the River US Lt Ouse

Largest measured bullhead: 9.9 cm

The largest bullhead measured in Environment Agency surveys of the River US Lt Ouse was 9.9 cm, recorded at Knettishall Heath on 20 November 2018.

Across 292 measured bullhead, the median measured length was 6.1 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 US Lt Ouse.

See bullhead records across England →

Most recent observation10 July 2024Hinderclay Fen
Largest measured bullhead
9.9 cm
Median length
6.1 cm
Fish measured
292
Survey locations
19

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 cm20 Nov 2018Knettishall Heath154148
9.8 cm8 Jun 2012Blo Norton Bridge131422
9.4 cm20 Nov 2018Knettishall Heath154148
9.3 cm26 Jan 2000US BTO Channel30129
9.3 cm18 Jan 2000US Knettishall Heath30123
9.3 cm8 Jan 1996US BTO Channel30172
9.3 cm11 Apr 1989Two Mile Bottom30149
8.9 cm14 Nov 2014Knettishall Heath144053
8.8 cm6 Feb 1996Abbey Weir30175
8.8 cm20 Apr 1989Rushford Bridge30144

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
Hinderclay Fen27 Jul 200910 Jul 20242
Knettishall Heath6 Dec 199520 Nov 20187
Abbey Weir7 Apr 19899 Jul 20155
Santon Downham10 Apr 19892 Jul 20157
Two Mile Bottom11 Apr 19891 Jul 20156
Barnham Village4 Jan 199630 Jun 20153
Rushford Bridge20 Apr 198929 Jun 20157
Blo Norton Bridge27 Jul 20098 Jun 20122
Hopton Bridge27 Jul 200927 Jul 20091
Nuns Bridge24 May 200124 May 20011
US BTO Channel8 Jan 199626 Jan 20002
DS BTO Channel8 Jan 199626 Jan 20002
DS Knettishall Heath19 Jan 200019 Jan 20001
US Knettishall Heath18 May 198818 Jan 20003
Blo Norton Ford17 May 198817 Jan 20003
Black Carr18 Dec 199518 Dec 19951
Nunnery Lakes9 Jan 19959 Jan 19951
Barnham Common6 Apr 19896 Apr 19891
Gasthorpe17 May 198817 May 19881

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

1988–2024

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 292 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
5.2 cm
Median
6.1 cm
Upper quarter
6.8 cm
Largest
9.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River US Lt Ouse

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

Pike Dace European eel Gudgeon Perch Roach

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 →