Bullhead · Cottus gobio

Bullhead in the Baldhorns Brook

Largest measured bullhead: 5.6 cm

The largest bullhead measured in Environment Agency surveys of the Baldhorns Brook was 5.6 cm, recorded at Granthams Bridge on 20 November 2008.

Across 2 measured bullhead, the median measured length was 5.3 cm.

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

See bullhead records across England →

Most recent observation12 May 2014Upstream Ifield Brook · 87 fish

Largest measured bullhead: 5.6 cm
Median length: 5.3 cm
Fish measured: 2
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.

Length	Survey date	Survey location	Survey ID
5.6 cm	20 Nov 2008	Granthams Bridge	116409
5 cm	20 Nov 2008	Granthams Bridge	116409

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 surveyed	First recorded	Last recorded	Visits finding bullhead
Upstream Ifield Brook	11 May 2006	12 May 2014	3
Granthams Bridge	20 Nov 2008	12 May 2014	3

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

2006–2014

Survey records by year

Each bar shows how many survey visits recorded bullhead that year.

106

007

108

009

010

011

212

013

214

Fish measured by surveyors

Measured length distribution

See how the 2 measured fish were spread across different length ranges.

Smallest: 5 cm
Lower quarter: 5.2 cm
Median: 5.3 cm
Upper quarter: 5.5 cm
Largest: 5.6 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

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 →