Bullhead · Cottus gobio

Bullhead in the River Kym

Largest measured bullhead: 10.1 cm

The largest bullhead measured in Environment Agency surveys of the River Kym was 10.1 cm, recorded at Hail Weston Ford on 12 June 2015.

Across 56 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 River Kym.

See bullhead records across England →

Most recent observation12 June 2015Hail Weston Ford · 5 fish
Largest measured bullhead
10.1 cm
Median length
6.2 cm
Fish measured
56
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
10.1 cm12 Jun 2015Hail Weston Ford144905
8.7 cm29 May 2013Hail Weston Ford136113
8.6 cm28 May 2013Brookend Farm136106
8.6 cm28 May 2013Brookend Farm136106
8.6 cm23 May 2013Meagre Farm136071
8.5 cm28 May 2013Brookend Farm136106
8.4 cm28 May 2013Brookend Farm136106
8.4 cm23 May 2013Meagre Farm136071
8.3 cm23 May 2013Meagre Farm136071
7.8 cm12 Jun 2015Hail Weston Ford144905

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
Hail Weston Ford29 May 201312 Jun 20152
Brookend Farm28 May 201311 Jun 20152
Meagre Farm23 May 201323 May 20131

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

2013–2015

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 56 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
5.3 cm
Median
6.2 cm
Upper quarter
7.4 cm
Largest
10.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Kym

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 →