RiverFish

Bullhead · Cottus gobio

Bullhead in the River Webburn

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River Webburn was 9 cm, recorded at Mistresses Piece (Sp) on 22 August 2017.

Across 23 measured bullhead, the median measured length was 6.2 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 Webburn.

See bullhead records across England →

Most recent observation21 August 2024Mistresses Piece (Sp) · 3 fish
Largest measured bullhead
9 cm
Median length
6.2 cm
Fish measured
23
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
9 cm22 Aug 2017Mistresses Piece (Sp)151411
8.2 cm22 Aug 2017Mistresses Piece (Sp)151411
7.7 cm22 Aug 2017Mistresses Piece (Sp)151411
7.5 cm29 Jul 2016Mistresses Piece (Sp)148719
7.4 cm29 Jul 2016Mistresses Piece (Sp)148719
6.9 cm29 Jul 2016Mistresses Piece (Sp)148719
6.7 cm29 Jul 2016Mistresses Piece (Sp)148719
6.6 cm29 Jul 2016Mistresses Piece (Sp)148719
6.4 cm29 Jul 2016Mistresses Piece (Sp)148719
6.4 cm29 Jul 2016Mistresses Piece (Sp)148719

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
Mistresses Piece (Sp)24 Jun 199621 Aug 20249

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 23 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
5.9 cm
Median
6.2 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 River Webburn

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 →