Bullhead · Cottus gobio

Bullhead in the Stretford Water

Largest measured bullhead: 8.8 cm

The largest bullhead measured in Environment Agency surveys of the Stretford Water was 8.8 cm, recorded at Upstream Dowlish Wake (Se-06) on 24 May 2016.

Across 173 measured bullhead, the median measured length was 6 cm.

Surveyors recorded weights for 61 bullhead. The median was 0.1 oz (0.002 kg) and the largest recorded weight was 0.3 oz (0.008 kg).

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

See bullhead records across England →

Most recent observation24 May 2016Upstream Dowlish Wake (Se-06) · 61 fish

Largest measured bullhead: 8.8 cm
Median length: 6 cm
Fish measured: 173
Survey locations: 3

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
8.8 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
8.3 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
8.3 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
8.2 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
8 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
8 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
8 cm	16 Jul 1992	Dowlish Lane	80085
7.9 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
7.7 cm	24 May 2016	Upstream Dowlish Wake (Se-06)	148098
7.7 cm	16 Jul 1992	Dowlish Lane	80085

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
Upstream Dowlish Wake (Se-06)	30 Jul 2002	24 May 2016	3
Dowlish Lane	16 Jul 1992	16 Jul 1992	1
Chillington	15 Jul 1992	15 Jul 1992	1

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

1992–2016

Survey records by year

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

292

093

094

095

096

097

098

099

000

001

102

003

004

005

006

007

008

009

110

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 173 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 5.1 cm
Median: 6 cm
Upper quarter: 6.9 cm
Largest: 8.8 cm

0–99 mm

173

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 61 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 (0.002 kg)
Upper quarter: 0.1 oz (0.004 kg)
Heaviest: 0.3 oz (0.008 kg)

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

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 →