RiverFish

Bullhead · Cottus gobio

Bullhead in the River Beaulieu

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River Beaulieu was 9 cm, recorded at Dunce's Arch on 22 July 2025.

Across 212 measured bullhead, the median measured length was 5.5 cm.

Surveyors recorded one individual weight: 0.2 oz (0.005 kg).

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

See bullhead records across England →

Most recent observation29 July 2025Shepton Water · 43 fish
Largest measured bullhead
9 cm
Median length
5.5 cm
Fish measured
212
Survey locations
17

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 cm22 Jul 2025Dunce's Arch178880
8.8 cm3 Aug 2010Matley Passage123895
8.5 cm22 Jul 2025Dunce's Arch178880
8.2 cm30 Sept 2008North Lane116190
8.1 cm1 Aug 2006Ipley Bridge101676
8 cm22 Jul 2025Dunce's Arch178880
8 cm22 Jul 2025Dunce's Arch178880
8 cm22 Jul 2025Mallard Wood178878
8 cm3 Aug 2010Matley Passage123895
8 cm3 Aug 2010Matley Passage123895

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
Shepton Water18 Jul 201329 Jul 20254
Penerley Water - u/s Shepton confluence31 Aug 200729 Jul 20255
Withycombe Shade15 Jul 201323 Jul 20254
Holmhill Passage4 Sept 200723 Jul 20254
Mallard Wood7 Sept 200722 Jul 20255
Dunce's Arch7 Sept 200722 Jul 20252
Wort's Gutter29 Aug 200721 Jul 20254
Matley Passage6 Sept 200121 Jul 202514
Longwater lawn7 Sept 20071 Jul 20193
d/s Holmhill Passage15 Aug 201715 Aug 20171
Penerley Bridge29 Aug 200710 Jul 20175
North Lane30 Sept 200825 Jul 20132
Longdown Inclosure Tributary16 Jul 201316 Jul 20131
u/s Ashurst Lodge6 Sept 200715 Jul 20132
Buck Hill25 Sept 200925 Sept 20091
Fulliford Bog6 Sept 20076 Sept 20071
Ipley Bridge4 Sept 20011 Aug 20065

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 212 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
4.5 cm
Median
5.5 cm
Upper quarter
6.5 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight
0.2 oz (0.005 kg)

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

More fish in this river

Explore the River Beaulieu

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

Brown / sea trout Stone loach Minnow Brook lamprey 3-spined stickleback 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 →