RiverFish

Bullhead · Cottus gobio

Bullhead in the River Bourne

Largest measured bullhead: 7 cm

The largest bullhead measured in Environment Agency surveys of the River Bourne was 7 cm, recorded at Bourne at St Thomas Bridge on 8 September 2011.

Across 115 measured bullhead, the median measured length was 4.3 cm.

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

See bullhead records across England →

Most recent observation15 October 2024Bourne at Laverstock
Largest measured bullhead
7 cm
Median length
4.3 cm
Fish measured
115
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
7 cm8 Sept 2011Bourne at St Thomas Bridge127815
6.9 cm8 Sept 2011Bourne at St Thomas Bridge127815
6.8 cm8 Sept 2011Bourne at Laverstock127812
6.6 cm8 Sept 2011Bourne at St Thomas Bridge127815
6.6 cm8 Sept 2011Bourne at Laverstock127812
6.5 cm8 Sept 2011Bourne at Laverstock127812
6.3 cm8 Sept 2011Bourne at Laverstock127812
6.1 cm8 Sept 2011Bourne at St Thomas Bridge127815
6.1 cm8 Sept 2011Bourne at St Thomas Bridge127815
6.1 cm8 Sept 2011Bourne at St Thomas Bridge127815

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
Bourne at Laverstock4 Sept 200115 Oct 202415
Bourne at St Thomas Bridge4 Sept 20017 Oct 201410
Winterbourne Gunner27 Oct 20042 Sept 20144
Hurdcott1 Sept 20042 Sept 20145

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

2001–2024

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 115 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
3.6 cm
Median
4.3 cm
Upper quarter
5.6 cm
Largest
7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bourne

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

Grayling European eel Brown / sea trout Minnow Pike Brook lamprey

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 →