RiverFish

Bullhead · Cottus gobio

Bullhead in the River Washburn

Largest measured bullhead: 10.9 cm

The largest bullhead measured in Environment Agency surveys of the River Washburn was 10.9 cm, recorded at Upstream of Fewston Reservoir on 17 September 2014.

Across 190 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 River Washburn.

See bullhead records across England →

Most recent observation17 September 2014Upstream of Fewston Reservoir · 8 fish
Largest measured bullhead
10.9 cm
Median length
6.2 cm
Fish measured
190
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
10.9 cm17 Sept 2014Upstream of Fewston Reservoir143107
10.7 cm17 Sept 2014Upstream of Fewston Reservoir143107
10.4 cm17 Sept 2014Upstream of Fewston Reservoir143107
9.9 cm17 Sept 2014Upstream of Fewston Reservoir143107
9.9 cm17 Sept 2014Upstream of Fewston Reservoir143107
9.3 cm26 Aug 2014D/s of Swinsty Reservoir143106
9.2 cm17 Sept 2014Upstream of Fewston Reservoir143107
9 cm26 Aug 2014D/s of Swinsty Reservoir143106
9 cm1 Sept 2011Upstream Leathley Bridge (YW HMWB site 8)147705
8.9 cm26 Aug 2014D/s of Swinsty Reservoir143106

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
Upstream of Fewston Reservoir1 Aug 200017 Sept 20143
D/s of Swinsty Reservoir27 Sept 199626 Aug 20148
Upstream Leathley Bridge (YW HMWB site 8)18 Sept 20081 Sept 20113
Leathley Bridge27 Sept 199628 Sept 20097

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

1996–2014

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 190 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
5.3 cm
Median
6.2 cm
Upper quarter
7.2 cm
Largest
10.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Washburn

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

Brown / sea trout Stone loach Minnow Perch Rainbow trout Gudgeon

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 →