RiverFish

Bullhead · Cottus gobio

Bullhead in the Embsay Beck - Investigation surveys 2017

Largest measured bullhead: 13.7 cm

The largest bullhead measured in Environment Agency surveys of the Embsay Beck - Investigation surveys 2017 was 13.7 cm, recorded at Embsay Beck Reach 3 on 24 August 2017.

Across 11 measured bullhead, the median measured length was 8.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Embsay Beck - Investigation surveys 2017.

See bullhead records across England →

Most recent observation24 August 2017Embsay Beck Treatment Works · 6 fish
Largest measured bullhead
13.7 cm
Median length
8.6 cm
Fish measured
11
Survey locations
4

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
13.7 cm24 Aug 2017Embsay Beck Reach 3151443
9.9 cm24 Aug 2017Embsay Beck Reach 3151443
9.4 cm24 Aug 2017Embsay Beck Reach 3151443
9.1 cm24 Aug 2017Embsay Beck Reach 3151443
9 cm24 Aug 2017Embsay Beck Reach 3151443
8.6 cm24 Aug 2017Embsay Beck Reach 3151443
8.1 cm24 Aug 2017Embsay Beck Reach 3151443
8 cm24 Aug 2017Embsay Beck Reach 3151443
7.7 cm24 Aug 2017Embsay Beck Reach 3151443
7.7 cm24 Aug 2017Embsay Beck Reach 3151443

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
Embsay Beck Treatment Works24 Aug 201724 Aug 20171
Embsay Beck Reach 324 Aug 201724 Aug 20171
Embsay Beck Reach 224 Aug 201724 Aug 20171
Embsay Beck Reach 124 Aug 201724 Aug 20171

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

2017–2017

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
6.9 cm
Lower quarter
7.9 cm
Median
8.6 cm
Upper quarter
9.3 cm
Largest
13.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Embsay Beck - Investigation surveys 2017

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 →