RiverFish

Bullhead · Cottus gobio

Bullhead in the Sandon Brook (East Arm)

Largest measured bullhead: 9.5 cm

The largest bullhead measured in Environment Agency surveys of the Sandon Brook (East Arm) was 9.5 cm, recorded at Mayes Lane Bridge on 20 February 1998.

Across 63 measured bullhead, the median measured length was 5.7 cm.

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

See bullhead records across England →

Most recent observation15 February 2012Overshot Bridge · 11 fish
Largest measured bullhead
9.5 cm
Median length
5.7 cm
Fish measured
63
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.

LengthSurvey dateSurvey locationSurvey ID
9.5 cm20 Feb 1998Mayes Lane Bridge13417
8.5 cm20 Feb 1998Mayes Lane Bridge13417
8.2 cm20 Feb 1998Overshot Bridge13418
8.1 cm20 Feb 1998Overshot Bridge13418
7.9 cm20 Feb 1998Overshot Bridge13418
7.9 cm20 Feb 1998Mayes Lane Bridge13417
7.8 cm15 Feb 2012Mayes Lane Bridge130109
7.2 cm14 Feb 2005Overshot Bridge84212
7.2 cm14 Feb 2005Overshot Bridge84212
7 cm14 Feb 2005Mayes Lane Bridge84211

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
Overshot Bridge20 Feb 199815 Feb 20123
Mayes Lane Bridge20 Feb 199815 Feb 20123

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

1998–2012

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 63 measured fish were spread across different length ranges.

Smallest
3.1 cm
Lower quarter
4.4 cm
Median
5.7 cm
Upper quarter
6.4 cm
Largest
9.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sandon Brook (East Arm)

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

Minnow 3-spined stickleback 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 →