Bullhead · Cottus gobio

Bullhead in the Medbourne Brook

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the Medbourne Brook was 9 cm, recorded at Blaston - Medbourne Brook on 17 March 1993.

Across 3 measured bullhead, the median measured length was 6 cm.

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

See bullhead records across England →

Most recent observation17 March 2014Medbourne - Medbourne Brook

Largest measured bullhead: 9 cm
Median length: 6 cm
Fish measured: 3
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
9 cm	17 Mar 1993	Blaston - Medbourne Brook	54552
6 cm	17 Mar 1993	Medbourne - Medbourne Brook	54551
5 cm	17 Mar 1993	Blaston - Medbourne Brook	54552

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
Medbourne - Medbourne Brook	17 Mar 1993	17 Mar 2014	6
Blaston - Medbourne Brook	17 Mar 1993	17 Mar 1993	1

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

1993–2014

Survey records by year

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

293

094

095

096

097

098

099

100

001

002

003

104

005

006

007

008

109

010

111

012

013

114

Fish measured by surveyors

Measured length distribution

See how the 3 measured fish were spread across different length ranges.

Smallest: 5 cm
Lower quarter: 5.5 cm
Median: 6 cm
Upper quarter: 7.5 cm
Largest: 9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Medbourne Brook

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

Roach Chub Minnow Stone loach 3-spined stickleback Dace

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 →