RiverFish

Bullhead · Cottus gobio

Bullhead in the Finchingfield Brook

Largest measured bullhead: 8.9 cm

The largest bullhead measured in Environment Agency surveys of the Finchingfield Brook was 8.9 cm, recorded at Mill End Road Bridge on 4 March 2015.

Across 44 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 Finchingfield Brook.

See bullhead records across England →

Most recent observation4 March 2015Mill End Road Bridge · 10 fish
Largest measured bullhead
8.9 cm
Median length
6.3 cm
Fish measured
44
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
8.9 cm4 Mar 2015Mill End Road Bridge144637
8.4 cm25 Feb 2003Champions79256
8.1 cm22 Jan 1997Champions13408
7.9 cm22 Jan 1997Champions13408
7.8 cm24 Feb 2003Spains Hall79257
7.8 cm22 Jan 1997Champions13408
7.7 cm24 Feb 2003Mill End Road Bridge79258
7.5 cm24 Feb 2003Spains Hall79257
7.3 cm25 Feb 2003Champions79256
7.2 cm25 Feb 2003Champions79256

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 End Road Bridge21 Jan 19974 Mar 20154
Spains Hall24 Feb 200318 Mar 20092
Champions22 Jan 199725 Feb 20032

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

1997–2015

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 44 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
5.6 cm
Median
6.3 cm
Upper quarter
7.2 cm
Largest
8.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Finchingfield Brook

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

3-spined stickleback Minnow Stone loach Brown / sea trout Dace Chub

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 →