Bullhead · Cottus gobio

Bullhead in the Mill Brook

Largest measured bullhead: 11 cm

The largest bullhead measured in Environment Agency surveys of the Mill Brook was 11 cm, recorded at Mill Bank Farm, Longdon Heath on 1 July 2013.

Across 94 measured bullhead, the median measured length was 6.3 cm.

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

See bullhead records across England →

Most recent observation1 July 2013Mill Bank Farm, Longdon Heath · 33 fish
Largest measured bullhead
11 cm
Median length
6.3 cm
Fish measured
94
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
11 cm1 Jul 2013Mill Bank Farm, Longdon Heath136872
8.6 cm1 Jul 2013Mill Bank Farm, Longdon Heath136872
8.6 cm26 Feb 1998Brookend, Welland (Marlbank Brook)80785
8.5 cm1 Jul 2013Mill Bank Farm, Longdon Heath136872
8.5 cm3 May 2002Mill Bank Farm, Longdon Heath26077
8.5 cm3 May 2002Mill Bank Farm, Longdon Heath26077
8.4 cm1 Jul 2013Mill Bank Farm, Longdon Heath136872
8.4 cm1 Jul 2013Mill Bank Farm, Longdon Heath136872
8.3 cm3 May 2002Mill Bank Farm, Longdon Heath26077
8.2 cm3 May 2002Mill Bank Farm, Longdon Heath26077

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
Mill Bank Farm, Longdon Heath20 Oct 19971 Jul 20134
Lockeridge Farm12 Jun 200712 Jun 20071
Brookend, Welland (Marlbank Brook)22 Jul 199126 Feb 19983
Upstream Lockeridge Farm, Welland Stone22 Jul 199120 Oct 19972

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

1991–2013

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 94 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
5.1 cm
Median
6.3 cm
Upper quarter
7.3 cm
Largest
11 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Mill Brook

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

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 →