Bullhead · Cottus gobio

Bullhead in the Loxwood Stream

Largest measured bullhead: 10.2 cm

The largest bullhead measured in Environment Agency surveys of the Loxwood Stream was 10.2 cm, recorded at Dunsfold (loxwood stream) on 3 July 2003.

Across 312 measured bullhead, the median measured length was 6.4 cm.

Surveyors recorded weights for 312 bullhead. The median was 0.1 oz (0.003 kg) and the largest recorded weight was 0.5 oz (0.014 kg).

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

See bullhead records across England →

Most recent observation3 August 2016Upper Ifold Farm sq · 43 fish

Largest measured bullhead: 10.2 cm
Median length: 6.4 cm
Fish measured: 312
Survey locations: 7

Individual EA measurements

Largest measured bullhead

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
10.2 cm	3 Jul 2003	Dunsfold (loxwood stream)	76700
9.6 cm	20 Jul 2005	Ifold Q	86864
9.5 cm	20 Jul 2005	Upper Ifold Farm sq	86912
9.5 cm	3 Jul 2003	Dunsfold (loxwood stream)	76700
9.4 cm	22 Jul 2004	Dunsfold (loxwood stream)	80802
9.2 cm	3 Jul 2003	Dunsfold (loxwood stream)	76700
9 cm	27 Jul 2006	Dunsfold (loxwood stream)	102057
9 cm	3 Aug 2004	Ifold Q	80880
9 cm	22 Jul 2004	Dunsfold (loxwood stream)	80802
8.9 cm	26 Jul 2002	Ifold Q	61420

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 surveyed	First recorded	Last recorded	Visits finding bullhead
Upper Ifold Farm sq	20 Jul 2005	3 Aug 2016	3
Pockford Farm sq	18 Jul 2005	7 Aug 2013	2
Highstreet Green sq	7 Jul 2005	7 Aug 2013	2
Godley Bridge	4 Jul 2013	4 Jul 2013	1
Frillinghurst	4 Jul 2013	4 Jul 2013	1
Ifold Q	26 Jul 2002	27 Jul 2006	5
Dunsfold (loxwood stream)	25 Jul 2002	27 Jul 2006	5

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

2002–2016

Survey records by year

Each bar shows how many survey visits recorded bullhead that year.

202

203

204

505

206

007

008

009

010

011

012

513

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 312 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 5.7 cm
Median: 6.4 cm
Upper quarter: 7 cm
Largest: 10.2 cm

0–99 mm

311

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 312 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: 0.2 oz (0.005 kg)
Heaviest: 0.5 oz (0.014 kg)

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

More fish in this river

Explore the Loxwood Stream

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

Stone loach Minnow Brown / sea trout Gudgeon Roach 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 →