RiverFish

Bullhead · Cottus gobio

Bullhead in the River Morden Hall

Largest measured bullhead: 7.8 cm

The largest bullhead measured in Environment Agency surveys of the River Morden Hall was 7.8 cm, recorded at Morden Hall Park on 24 June 2015.

Across 11 measured bullhead, the median measured length was 7.2 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 Morden Hall.

See bullhead records across England →

Most recent observation11 July 2017Morden Hall Park · 1 fish
Largest measured bullhead
7.8 cm
Median length
7.2 cm
Fish measured
11
Survey locations
3

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
7.8 cm24 Jun 2015Morden Hall Park145179
7.8 cm24 Jun 2015Morden Hall Park145179
7.6 cm24 Jun 2015Morden Hall Park145179
7.6 cm24 Jun 2015Morden Hall Park145179
7.6 cm24 Jun 2015Morden Hall Park145179
7.2 cm24 Jun 2015Morden Hall Park145179
7.2 cm24 Jun 2015Morden Hall Park145179
6.9 cm24 Jun 2015Morden Hall Park145179
6.5 cm11 Jul 2017Morden Hall Park150818
6.4 cm24 Jun 2015Morden Hall Park145179

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
Morden Hall Park24 Jun 201511 Jul 20172
Morden Hall Enhancement site27 Jun 200827 Jun 20081
Morden Hall Downstream stretch27 Jun 200827 Jun 20081

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

2008–2017

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 11 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
6.7 cm
Median
7.2 cm
Upper quarter
7.6 cm
Largest
7.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Morden Hall

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

Gudgeon Chub European eel Roach Dace Stone loach

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 →