RiverFish

Bullhead · Cottus gobio

Bullhead in the River Main Dart

Largest measured bullhead: 7.3 cm

The largest bullhead measured in Environment Agency surveys of the River Main Dart was 7.3 cm, recorded at U/s Staverton Bridge (Dip) on 31 August 2021.

Across 160 measured bullhead, the median measured length was 4.5 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 Dart.

See bullhead records across England →

Most recent observation2 September 2024U/s Staverton Bridge (Dip) · 15 fish
Largest measured bullhead
7.3 cm
Median length
4.5 cm
Fish measured
160
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
7.3 cm31 Aug 2021U/s Staverton Bridge (Dip)160644
7 cm31 Aug 2021U/s Staverton Bridge (Dip)160644
7 cm26 Aug 2021Spitchwich Manor (Dip)160550
6.9 cm31 Aug 2021U/s Staverton Bridge (Dip)160644
6.9 cm31 Aug 2021U/s Staverton Bridge (Dip)160644
6.9 cm27 Sept 2007U/s Staverton Bridge (Dip)108427
6.8 cm31 Aug 2021U/s Staverton Bridge (Dip)160644
6.8 cm26 Aug 2021Spitchwich Manor (Dip)160550
6.8 cm26 Aug 2021Spitchwich Manor (Dip)160550
6.8 cm27 Sept 2007U/s Staverton Bridge (Dip)108427

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
U/s Staverton Bridge (Dip)4 Jun 19962 Sept 20248
Spitchwich Manor (Dip)24 Jun 199621 Aug 20247
Queen of Dart (Dip)*20 Jul 199922 Aug 20032

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

1996–2024

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 160 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
3.7 cm
Median
4.5 cm
Upper quarter
5.5 cm
Largest
7.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Dart

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

Atlantic salmon European eel Brown / sea trout Stone loach 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 →