RiverFish

Bullhead · Cottus gobio

Bullhead in the Hebden Water

Largest measured bullhead: 10.5 cm

The largest bullhead measured in Environment Agency surveys of the Hebden Water was 10.5 cm, recorded at Foster Mill Bridge on 13 October 2021.

Across 771 measured bullhead, the median measured length was 5.9 cm.

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

See bullhead records across England →

Most recent observation15 October 2021Hebden Bridge · 160 fish
Largest measured bullhead
10.5 cm
Median length
5.9 cm
Fish measured
771
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
10.5 cm13 Oct 2021Foster Mill Bridge160884
9.3 cm13 Oct 2021Foster Mill Bridge160884
9.2 cm13 Oct 2021Foster Mill Bridge160884
9.1 cm13 Oct 2021Foster Mill Bridge160884
9 cm13 Oct 2021Foster Mill Bridge160884
9 cm13 Oct 2021Foster Mill Bridge160884
9 cm13 Oct 2021Foster Mill Bridge160884
9 cm13 Oct 2021Foster Mill Bridge160884
8.9 cm13 Oct 2021Foster Mill Bridge160884
8.9 cm13 Oct 2021Foster Mill Bridge160884

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
Hebden Bridge14 Sept 200715 Oct 20217
Foster Mill Bridge13 Oct 202113 Oct 20211

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

2007–2021

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 771 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
4.6 cm
Median
5.9 cm
Upper quarter
6.7 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Hebden Water

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

Brown / sea trout

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 →