RiverFish

Bullhead · Cottus gobio

Bullhead in the Pill River

Largest measured bullhead: 10.5 cm

The largest bullhead measured in Environment Agency surveys of the Pill River was 10.5 cm, recorded at Black Monkey Bridge on 15 September 2021.

Across 54 measured bullhead, the median measured length was 4.8 cm.

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

See bullhead records across England →

Most recent observation15 September 2021Black Monkey Bridge · 14 fish
Largest measured bullhead
10.5 cm
Median length
4.8 cm
Fish measured
54
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
10.5 cm15 Sept 2021Black Monkey Bridge160206
9.9 cm8 Sept 2021Blue Anchor Caravan Park160186
9.5 cm15 Sept 2021Black Monkey Bridge160206
9.5 cm27 Sept 2011Black Monkey Bridge128305
8.8 cm8 Sept 2021Blue Anchor Caravan Park160186
8.7 cm24 Apr 2013Black Monkey Bridge135898
8.2 cm24 Apr 2013Black Monkey Bridge135898
8 cm15 Sept 2021Black Monkey Bridge160206
8 cm27 Sept 2011Black Monkey Bridge128305
7.5 cm15 Sept 2021Black Monkey Bridge160206

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
Black Monkey Bridge27 Sept 201115 Sept 20213
Blue Anchor Caravan Park13 Oct 20088 Sept 20212
Binham Farm27 Sept 201127 Sept 20111

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

2008–2021

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 54 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
3.9 cm
Median
4.8 cm
Upper quarter
7.3 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Pill River

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

Brown / sea trout European eel

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 →