RiverFish

Bullhead · Cottus gobio

Bullhead in the Wriggle River

Largest measured bullhead: 9.9 cm

The largest bullhead measured in Environment Agency surveys of the Wriggle River was 9.9 cm, recorded at Manor Farm on 30 April 2013.

Across 464 measured bullhead, the median measured length was 5 cm.

Surveyors recorded weights for 93 bullhead. The median was 0.1 oz (0.003 kg) and the largest recorded weight was 0.4 oz (0.01 kg).

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

See bullhead records across England →

Most recent observation30 April 2013Manor Farm · 61 fish
Largest measured bullhead
9.9 cm
Median length
5 cm
Fish measured
464
Survey locations
10

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
9.9 cm30 Apr 2013Manor Farm135918
9.1 cm30 Apr 2013Manor Farm135918
9 cm11 Oct 2012Chetnole (Se-04)134465
8.9 cm30 Apr 2013Manor Farm135918
8.1 cm30 Apr 2013Manor Farm135918
8 cm4 Aug 1993U/s Peter's Hole79988
7.9 cm10 Aug 1993Chetnole Church79983
7.8 cm30 Apr 2013Manor Farm135918
7.8 cm12 Aug 1993Galpins Farm79977
7.8 cm10 Aug 1993Chetnole Church79983

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
Manor Farm30 Apr 201330 Apr 20131
Chetnole (Se-04)12 May 200411 Oct 20123
Trill Farm12 May 201112 May 20111
Withyhook Farm11 May 201111 May 20111
Upstream River Yeo Confl. Bradford Abbas (Te)3 Aug 199314 Jul 20103
Upstream Mill House, Yetminster19 Aug 199319 Aug 19931
Galpins Farm12 Aug 199312 Aug 19931
Downstream Heneford Mill11 Aug 199311 Aug 19931
Chetnole Church10 Aug 199310 Aug 19931
U/s Peter's Hole4 Aug 19934 Aug 19931

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

1993–2013

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 464 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
4.3 cm
Median
5 cm
Upper quarter
5.8 cm
Largest
9.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 93 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.1 oz (0.002 kg)
Median
0.1 oz (0.003 kg)
Upper quarter
0.1 oz (0.004 kg)
Heaviest
0.4 oz (0.01 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Wriggle River

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

Brown / sea trout 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 →