Bullhead · Cottus gobio

Bullhead in the Haywards Water

Largest measured bullhead: 8.2 cm

The largest bullhead measured in Environment Agency surveys of the Haywards Water was 8.2 cm, recorded at Haywards Bridge on 12 June 2014.

Across 138 measured bullhead, the median measured length was 5.6 cm.

Surveyors recorded weights for 4 bullhead. The median was 0.1 oz (0.0025 kg) and the largest recorded weight was 0.1 oz (0.004 kg).

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

See bullhead records across England →

Most recent observation12 June 2014Haywards Bridge · 135 fish

Largest measured bullhead: 8.2 cm
Median length: 5.6 cm
Fish measured: 138
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
8.2 cm	12 Jun 2014	Haywards Bridge	141123
7.9 cm	12 Jun 2014	Haywards Bridge	141123
7.9 cm	12 Jun 2014	Haywards Bridge	141123
7.8 cm	12 Jun 2014	Haywards Bridge	141123
7.7 cm	12 Jun 2014	Haywards Bridge	141123
7.7 cm	12 Jun 2014	Haywards Bridge	141123
7.6 cm	12 Jun 2014	Haywards Bridge	141123
7.6 cm	12 Jun 2014	Haywards Bridge	141123
7.6 cm	12 Jun 2014	Haywards Bridge	141123
7.6 cm	12 Jun 2014	Haywards Bridge	141123

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
Haywards Bridge	12 Jun 2014	12 Jun 2014	1
Blackbird Inn	31 Oct 1997	12 Jun 2014	2
Burts Farm	22 Oct 1997	22 Oct 1997	1

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

1997–2014

Survey records by year

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

297

098

099

000

001

002

003

004

005

006

007

008

009

010

011

012

013

214

Fish measured by surveyors

Measured length distribution

See how the 138 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 5.2 cm
Median: 5.6 cm
Upper quarter: 6.4 cm
Largest: 8.2 cm

0–99 mm

138

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 4 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.1 oz (0.002 kg)
Median: 0.1 oz (0.0025 kg)
Upper quarter: 0.1 oz (0.0032 kg)
Heaviest: 0.1 oz (0.004 kg)

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

More fish in this river

Explore the Haywards Water

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

Stone loach

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 →