Bullhead · Cottus gobio

Bullhead in the Fir /Skyreholme Beck

Largest measured bullhead: 10.7 cm

The largest bullhead measured in Environment Agency surveys of the Fir /Skyreholme Beck was 10.7 cm, recorded at Haugh Bridge on 4 August 2014.

Across 851 measured bullhead, the median measured length was 5.8 cm.

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

See bullhead records across England →

Most recent observation28 August 2024Skyreholme
Largest measured bullhead
10.7 cm
Median length
5.8 cm
Fish measured
851
Survey locations
5

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
10.7 cm4 Aug 2014Haugh Bridge142202
10.2 cm7 Sept 2021Wharfe confluence160192
9.4 cm16 Aug 2017Skyreholme151303
9.4 cm4 Aug 2014Haugh Bridge142202
9.1 cm9 Aug 2016Skyreholme148853
9 cm24 Aug 2011Skyreholme129522
8.9 cm7 Sept 2021Wharfe confluence160192
8.9 cm9 Aug 2016Skyreholme148853
8.9 cm4 Aug 2014Haugh Bridge142202
8.9 cm4 Aug 2014Haugh Bridge142202

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
Skyreholme26 Jun 199628 Aug 202426
Wharfe confluence9 Aug 201631 Aug 20235
d/s Skyreholme confluence16 Aug 201716 Aug 20171
Fir Beck u/s Skyreholme confluence16 Aug 201716 Aug 20171
Haugh Bridge24 Aug 20114 Aug 20142

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

1996–2024

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 851 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
4.3 cm
Median
5.8 cm
Upper quarter
6.6 cm
Largest
10.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Fir /Skyreholme Beck

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

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 →