RiverFish

Bullhead · Cottus gobio

Bullhead in the Barlow Brook Habitat Improvement Project sites

Largest measured bullhead: 9.7 cm

The largest bullhead measured in Environment Agency surveys of the Barlow Brook Habitat Improvement Project sites was 9.7 cm, recorded at B4 - Barlow Brook Woody Debris Project on 22 August 2016.

Across 175 measured bullhead, the median measured length was 6.2 cm.

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

See bullhead records across England →

Most recent observation24 August 2016C16 - Barlow Brook, upstream Sheepbridge Lane · 19 fish
Largest measured bullhead
9.7 cm
Median length
6.2 cm
Fish measured
175
Survey locations
16

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
9.7 cm22 Aug 2016B4 - Barlow Brook Woody Debris Project149657
9.2 cm24 Aug 2016C14 - Barlow Brook Woody Debris Project149647
9.2 cm6 Sept 2011C16 - Barlow Brook, upstream Sheepbridge Lane129691
9 cm22 Aug 2016B7 - Barlow Brook Woody Debris Project149654
9 cm22 Aug 2016B8 - Barlow Brook Woody Debris Project149653
8.9 cm22 Aug 2016B5 - Barlow Brook Woody Debris Project149656
8.9 cm22 Aug 2016B7 - Barlow Brook Woody Debris Project149654
8.7 cm22 Aug 2016B8 - Barlow Brook Woody Debris Project149653
8.6 cm22 Aug 2016B6 - Barlow Brook Woody Debris Project149655
8.4 cm24 Aug 2016C13 - Barlow Brook Woody Debris Project149646

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
C16 - Barlow Brook, upstream Sheepbridge Lane6 Sept 201124 Aug 20163
C15 - Barlow Brook Woody Debris Project17 Sept 201524 Aug 20162
C14 - Barlow Brook Woody Debris Project17 Sept 201524 Aug 20162
C13 - Barlow Brook Woody Debris Project17 Sept 201524 Aug 20162
C12 - Barlow Brook Woody Debris Project17 Sept 201524 Aug 20162
C11 - Barlow Brook Woody Debris Project17 Sept 201524 Aug 20162
B9 - Barlow Brook woody Debris Project4 Sept 201522 Aug 20162
B8 - Barlow Brook Woody Debris Project4 Sept 201522 Aug 20162
B7 - Barlow Brook Woody Debris Project4 Sept 201522 Aug 20162
B6 - Barlow Brook Woody Debris Project4 Sept 201522 Aug 20162
B5 - Barlow Brook Woody Debris Project4 Sept 201522 Aug 20162
B4 - Barlow Brook Woody Debris Project4 Sept 201522 Aug 20162
B10 - Barlow Brook, u/s Broombank Road6 Sept 201122 Aug 20163
A3 - Barlow Brook Weir Removal Project3 Sept 20153 Sept 20151
A2 - Barlow Brook Weir removal Project3 Sept 20153 Sept 20151
A1 - Barlow Brook Weir Removal Project3 Sept 20153 Sept 20151

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

2011–2016

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 175 measured fish were spread across different length ranges.

Smallest
2.6 cm
Lower quarter
3.5 cm
Median
6.2 cm
Upper quarter
7.2 cm
Largest
9.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Barlow Brook Habitat Improvement Project sites

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 →