RiverFish

Bullhead · Cottus gobio

Bullhead in the River Main Kensey

Largest measured bullhead: 8.7 cm

The largest bullhead measured in Environment Agency surveys of the River Main Kensey was 8.7 cm, recorded at Egloskerry on 28 July 2014.

Across 407 measured bullhead, the median measured length was 5.5 cm.

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

See bullhead records across England →

Most recent observation2 August 2024Egloskerry · 3 fish
Largest measured bullhead
8.7 cm
Median length
5.5 cm
Fish measured
407
Survey locations
6

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
8.7 cm28 Jul 2014Egloskerry141918
8.6 cm29 Jun 2022Trewithick161704
8.4 cm28 Jul 2016Badgall148705
8.4 cm25 Jul 2013Egloskerry137390
8.3 cm28 Jul 2014Egloskerry141918
8.2 cm20 Jul 2018Egloskerry153431
8.1 cm28 Jul 2014Egloskerry141918
8.1 cm25 Jul 2013Egloskerry137390
8 cm21 Jul 2016Egloskerry148695
8 cm4 Sept 2013St. Leonards138554

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
Egloskerry22 Jun 19932 Aug 202418
Badgall11 Sept 199613 Jul 20225
Trewithick10 Jul 198429 Jun 20227
St. Leonards10 Jul 19844 Sept 20139
Treburrow11 Jul 198417 Jun 20044
New Churches9 Jul 19849 Jun 19963

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

1984–2024

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 407 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
3.5 cm
Median
5.5 cm
Upper quarter
6.3 cm
Largest
8.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Kensey

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

Brown / sea trout Atlantic salmon Stone loach European eel Brook lamprey Minnow

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 →