Bullhead · Cottus gobio

Bullhead in the Nafferton Beck

Largest measured bullhead: 10.4 cm

The largest bullhead measured in Environment Agency surveys of the Nafferton Beck was 10.4 cm, recorded at Nafferton u/s STW on 19 October 2012.

Across 35 measured bullhead, the median measured length was 5.9 cm.

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

See bullhead records across England →

Most recent observation11 October 2022Cattleholme Road Bridge · 2 fish
Largest measured bullhead
10.4 cm
Median length
5.9 cm
Fish measured
35
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.

LengthSurvey dateSurvey locationSurvey ID
10.4 cm19 Oct 2012Nafferton u/s STW134731
10.1 cm12 Oct 2016Cattleholme Road Bridge149781
9.6 cm19 Oct 2012Nafferton u/s STW134731
9.5 cm11 Oct 2004Nafferton u/s STW83612
9.4 cm19 Oct 2012Nafferton u/s STW134731
9.1 cm19 Oct 2012Nafferton u/s STW134731
8.8 cm11 Oct 2004Nafferton u/s STW83612
7.9 cm10 Oct 2022Nafferton u/s STW162007
7.1 cm11 Oct 2022Cattleholme Road Bridge162008
7.1 cm10 Oct 2022Nafferton u/s STW162007

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
Cattleholme Road Bridge19 Oct 201211 Oct 20223
Nafferton u/s STW11 Oct 200410 Oct 20224

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

2004–2022

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 35 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
4.7 cm
Median
5.9 cm
Upper quarter
7.1 cm
Largest
10.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Nafferton Beck

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

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 →