RiverFish

Bullhead · Cottus gobio

Bullhead in the Danes brook

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the Danes brook was 9 cm, recorded at Slade Bridge (Te) on 18 July 2016.

Across 79 measured bullhead, the median measured length was 6.3 cm.

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

See bullhead records across England →

Most recent observation24 June 2024Slade Bridge (Te) · 74 fish
Largest measured bullhead
9 cm
Median length
6.3 cm
Fish measured
79
Survey locations
2

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
9 cm18 Jul 2016Slade Bridge (Te)148702
8.3 cm29 Jun 2018Slade Bridge (Te)152711
8.3 cm18 Jul 2016Slade Bridge (Te)148702
7.9 cm29 Jun 2018Slade Bridge (Te)152711
7.8 cm29 Jun 2018Slade Bridge (Te)152711
7.7 cm24 Jun 2022Willingford Bridge (Sp)161139
7.7 cm18 Jul 2016Slade Bridge (Te)148702
7.6 cm29 Jun 2018Slade Bridge (Te)152711
7.5 cm29 Jun 2018Slade Bridge (Te)152711
7.3 cm24 Jun 2022Willingford Bridge (Sp)161139

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
Slade Bridge (Te)8 Jun 199824 Jun 202416
Willingford Bridge (Sp)3 Jun 199824 Jun 20225

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

1998–2024

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 79 measured fish were spread across different length ranges.

Smallest
3.9 cm
Lower quarter
5.7 cm
Median
6.3 cm
Upper quarter
6.8 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Danes brook

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

Atlantic salmon 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 →