RiverFish

Bullhead · Cottus gobio

Bullhead in the River Wylye

Largest measured bullhead: 8.5 cm

The largest bullhead measured in Environment Agency surveys of the River Wylye was 8.5 cm, recorded at Norton Bavant on 14 September 2011.

Across 32 measured bullhead, the median measured length was 5.3 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 Wylye.

See bullhead records across England →

Most recent observation10 September 2025Butchers Stream at Wilton
Largest measured bullhead
8.5 cm
Median length
5.3 cm
Fish measured
32
Survey locations
21

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
8.5 cm14 Sept 2011Norton Bavant127951
8.5 cm14 Sept 2011Longbridge Deverill127950
7.1 cm14 Sept 2011Longbridge Deverill127950
7 cm14 Sept 2011Longbridge Deverill127950
6.7 cm14 Sept 2011Longbridge Deverill127950
6.3 cm14 Sept 2011Longbridge Deverill127950
6.3 cm14 Sept 2011Longbridge Deverill127950
6.2 cm14 Sept 2011Norton Bavant127951
6.1 cm14 Sept 2011Longbridge Deverill127950
6 cm14 Sept 2011Longbridge Deverill127950

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
Butchers Stream at Wilton7 Sept 200110 Sept 202517
Langford Lakes d/s weir pool11 Oct 201119 Sept 20196
Wylye Fly Fishers - Cottage Beat12 Oct 201026 Sept 20173
Wylye Fly Fishers (Beat A)26 Sept 201726 Sept 20171
Upstream South Newton Mill2 Oct 20142 Oct 20141
d/s Gunsville16 Sept 20084 Sept 20142
Manor Farm Bridge16 Sept 20084 Sept 20142
Mount Mill Upstream of Weir10 Jul 201410 Jul 20141
Mount Mill Downstream of Weir10 Jul 201410 Jul 20141
Upstream Pet fish19 Oct 201219 Oct 20121
Downstream Image Bridge19 Oct 201219 Oct 20121
Wylye House Weir15 Oct 201215 Oct 20121
Upstream South Newton15 Oct 201215 Oct 20121
Steeple langford d/s mill15 Oct 201215 Oct 20121
Stapleford15 Oct 201215 Oct 20121
South Newton10 Oct 200827 Sept 20122
Wylye Fly Fisheres - u/s access bridge12 Oct 201013 Oct 20112
Langford Lakes US weir pool25 Oct 200711 Oct 20112
Norton Bavant4 Oct 200514 Sept 20112
Longbridge Deverill14 Sept 200414 Sept 20112
Chilhampton Farm12 Oct 200412 Oct 20041

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

2001–2025

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 32 measured fish were spread across different length ranges.

Smallest
3.2 cm
Lower quarter
4.5 cm
Median
5.4 cm
Upper quarter
6.1 cm
Largest
8.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wylye

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

Brown / sea trout Atlantic salmon Grayling Minnow Stone loach European eel

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 →