RiverFish

Bullhead · Cottus gobio

Bullhead in the Deans Brook

Largest measured bullhead: 8.3 cm

The largest bullhead measured in Environment Agency surveys of the Deans Brook was 8.3 cm, recorded at Deans Bridge on 20 August 2012.

Across 26 measured bullhead, the median measured length was 5.7 cm.

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

See bullhead records across England →

Most recent observation20 August 2024Deans Bridge · 22 fish
Largest measured bullhead
8.3 cm
Median length
5.7 cm
Fish measured
26
Survey locations
4

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
8.3 cm20 Aug 2012Deans Bridge132945
7.8 cm20 Aug 2024Deans Bridge167135
7.3 cm20 Aug 2024Deans Bridge167135
7.2 cm20 Aug 2024Deans Bridge167135
7.2 cm20 Aug 2024Deans Bridge167135
7.1 cm20 Aug 2024Deans Bridge167135
7 cm20 Aug 2024Deans Bridge167135
6.9 cm20 Aug 2024Deans Bridge167135
6.5 cm20 Aug 2024Deans Bridge167135
6.5 cm3 Aug 2018Deans Bridge153432

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
Deans Bridge17 Sept 199020 Aug 20249
Oak Ridge4 Oct 20064 Oct 20061
Wollaton Bridge6 Oct 19986 Oct 19981
Greatdown Wood6 Oct 19986 Oct 19981

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

1990–2024

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 26 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
5.1 cm
Median
5.7 cm
Upper quarter
7 cm
Largest
8.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Deans Brook

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

Brown / sea trout European eel Atlantic salmon

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 →