Bullhead · Cottus gobio

Bullhead in the River Crane

Largest measured bullhead: 5.4 cm

The largest bullhead measured in Environment Agency surveys of the River Crane was 5.4 cm, recorded at Hounslow Heath on 17 November 2011.

Across 2 measured bullhead, the median measured length was 4.7 cm.

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

See bullhead records across England →

Most recent observation27 September 2022Crane Park

Largest measured bullhead: 5.4 cm
Median length: 4.7 cm
Fish measured: 2
Survey locations: 4

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
5.4 cm	17 Nov 2011	Hounslow Heath	129499
4 cm	17 Nov 2011	Hounslow Heath	129499

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
Crane Park	28 Sept 2010	27 Sept 2022	5
Hounslow Heath	28 Apr 2010	14 Sept 2022	7
Cranford Park	17 Nov 2011	14 Sept 2022	3
Marsh Farm	29 Oct 2018	23 Oct 2019	2

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

2010–2022

Survey records by year

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

210

211

212

113

114

315

116

017

118

119

020

021

322

Fish measured by surveyors

Measured length distribution

See how the 2 measured fish were spread across different length ranges.

Smallest: 4 cm
Lower quarter: 4.4 cm
Median: 4.7 cm
Upper quarter: 5.1 cm
Largest: 5.4 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Crane

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

Minnow Stone loach Chub Gudgeon Roach 3-spined stickleback

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 →