RiverFish

Bullhead · Cottus gobio

Bullhead in the Redleadmill Brook

Largest measured bullhead: 11.5 cm

The largest bullhead measured in Environment Agency surveys of the Redleadmill Brook was 11.5 cm, recorded at Redleadmill Brook at Tupton on 18 September 2017.

Across 64 measured bullhead, the median measured length was 5.1 cm.

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

See bullhead records across England →

Most recent observation18 September 2017Redleadmill Brook at Tupton · 47 fish
Largest measured bullhead
11.5 cm
Median length
5.1 cm
Fish measured
64
Survey locations
1

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
11.5 cm18 Sept 2017Redleadmill Brook at Tupton151760
9.4 cm19 Sept 2011Redleadmill Brook at Tupton128685
9 cm18 Sept 2017Redleadmill Brook at Tupton151760
9 cm19 Sept 2011Redleadmill Brook at Tupton128685
8.8 cm19 Sept 2011Redleadmill Brook at Tupton128685
8 cm18 Sept 2017Redleadmill Brook at Tupton151760
8 cm18 Sept 2017Redleadmill Brook at Tupton151760
7.9 cm19 Sept 2011Redleadmill Brook at Tupton128685
7.6 cm18 Sept 2017Redleadmill Brook at Tupton151760
7.4 cm18 Sept 2017Redleadmill Brook at Tupton151760

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
Redleadmill Brook at Tupton15 Jan 198518 Sept 20178

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

1985–2017

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 64 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
3.6 cm
Median
5.1 cm
Upper quarter
6.3 cm
Largest
11.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Redleadmill Brook

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

Brown / sea trout 3-spined stickleback

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 →