RiverFish

Bullhead · Cottus gobio

Bullhead in the River Main Thrushel

Largest measured bullhead: 8.3 cm

The largest bullhead measured in Environment Agency surveys of the River Main Thrushel was 8.3 cm, recorded at Tinhay Bridge on 30 August 2013.

Across 3,140 measured bullhead, the median measured length was 4.1 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 Main Thrushel.

See bullhead records across England →

Most recent observation4 August 2025Townleigh · 59 fish
Largest measured bullhead
8.3 cm
Median length
4.1 cm
Fish measured
3,140
Survey locations
12

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
8.3 cm30 Aug 2013Tinhay Bridge138422
8.1 cm3 Sept 2021Beaver160591
7.9 cm3 Sept 2021Beaver160591
7.8 cm4 Sept 2012Beaver133474
7.7 cm30 Aug 2013Tinhay Bridge138422
7.6 cm29 Aug 2018Tinhay Bridge153835
7.6 cm10 Aug 2015Tinhay Bridge145846
7.6 cm30 Aug 2013Tinhay Bridge138422
7.6 cm4 Sept 2012Beaver133474
7.5 cm24 Aug 2021Tinhay Bridge160604

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
Townleigh6 Aug 19924 Aug 202532
Thrushelton7 Aug 19924 Aug 202516
Tinhay Bridge18 Sept 19927 Jul 202525
Beaver4 Sept 201224 Aug 20239
Oatnell29 Jul 19938 Sept 20217
Wrixhill Bridge21 Aug 19922 Sept 202112
Downstream Thrushelton14 Sept 20096 Jul 20113
d/s Hayne Bridge8 Aug 19949 Sept 201014
Tinhay19 Aug 199315 Aug 20037
Great Burrow30 Jul 199323 Jul 19992
Hayne Bridge18 Aug 199318 Aug 19931
u/s Tinhay Bridge17 Aug 199317 Aug 19931

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

1992–2025

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 3,140 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
3.3 cm
Median
4.1 cm
Upper quarter
5.6 cm
Largest
8.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Main Thrushel

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

Brown / sea trout Atlantic salmon Stone loach European eel Minnow Brook lamprey

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 →