RiverFish

Bullhead · Cottus gobio

Bullhead in the River Ely Ouse

Largest measured bullhead: 7.2 cm

The largest bullhead measured in Environment Agency surveys of the River Ely Ouse was 7.2 cm, recorded at Ten Mile Bank on 4 October 2017.

Across 9 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 Ely Ouse.

See bullhead records across England →

Most recent observation4 October 2017Ten Mile Bank · 1 fish
Largest measured bullhead
7.2 cm
Median length
6.1 cm
Fish measured
9
Survey locations
3

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
7.2 cm4 Oct 2017Ten Mile Bank151874
6.7 cm3 Oct 2017Sandhill Bridge151873
6.3 cm7 Sept 2011Sandhill Bridge127755
6.3 cm6 Sept 2011Little Thetford127734
6.1 cm6 Sept 2011Little Thetford127734
5.8 cm7 Sept 2011Sandhill Bridge127755
5.7 cm8 Oct 2015Sandhill Bridge146972
5.3 cm7 Sept 2011Sandhill Bridge127755
5.2 cm6 Sept 2011Little Thetford127734

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
Ten Mile Bank4 Oct 20174 Oct 20171
Sandhill Bridge7 Sept 20113 Oct 20173
Little Thetford6 Sept 20116 Sept 20111

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

2011–2017

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 9 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
5.7 cm
Median
6.1 cm
Upper quarter
6.3 cm
Largest
7.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ely Ouse

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

Perch Roach Common bream Ruffe Pike Zander

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 →