RiverFish

Bullhead · Cottus gobio

Bullhead in the River US Lark

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River US Lark was 9 cm, recorded at West Stow Country Park on 22 July 2015.

Across 32 measured bullhead, the median measured length was 5.8 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 US Lark.

See bullhead records across England →

Most recent observation18 July 2024West Stow Country Park · 1 fish
Largest measured bullhead
9 cm
Median length
5.8 cm
Fish measured
32
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
9 cm22 Jul 2015West Stow Country Park145598
8.9 cm19 Jul 2016West Stow Country Park148549
8.2 cm22 Jul 2015West Stow Country Park145598
8 cm22 Jul 2015West Stow Country Park145598
7.7 cm22 Jul 2015West Stow Country Park145598
7.2 cm19 Jul 2016West Stow Country Park148549
7.1 cm3 May 2023US West Stow Country Park162306
6.8 cm3 May 2023US West Stow Country Park162306
6.8 cm22 Jul 2015West Stow Country Park145598
6.6 cm3 May 2023US West Stow Country Park162306

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
West Stow Country Park9 Jul 201418 Jul 20244
Cavenham Locks17 Jun 202417 Jun 20241
US West Stow Country Park3 May 20233 May 20231
Southgate Bridge10 Feb 199510 Feb 19951

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

1995–2024

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 32 measured fish were spread across different length ranges.

Smallest
3.5 cm
Lower quarter
4.4 cm
Median
5.8 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 US Lark

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

Stone loach Gudgeon Chub Roach Minnow 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 →