RiverFish

Bullhead · Cottus gobio

Bullhead in the River Cray

Largest measured bullhead: 9.6 cm

The largest bullhead measured in Environment Agency surveys of the River Cray was 9.6 cm, recorded at Five Arches on 23 May 2017.

Across 174 measured bullhead, the median measured length was 6.4 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 Cray.

See bullhead records across England →

Most recent observation5 June 2024Five Arches · 6 fish
Largest measured bullhead
9.6 cm
Median length
6.4 cm
Fish measured
174
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.

LengthSurvey dateSurvey locationSurvey ID
9.6 cm23 May 2017Five Arches150437
9.3 cm15 May 2019Five Arches154487
8.9 cm15 May 2019Five Arches154487
8.8 cm6 Jun 2013Five Arches136293
8.7 cm15 May 2019Five Arches154487
8.6 cm18 May 2022Hall Place160938
8.6 cm18 May 2022Hall Place160938
8.6 cm7 Jun 2017Hall Place150499
8.5 cm23 May 2017Five Arches150437
8.5 cm23 May 2017Five Arches150437

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
Five Arches12 Aug 20095 Jun 20247
Hall Place22 Aug 200218 May 20229
Riverside Gardens upstream of weir27 Jun 201327 Jun 20131
Riverside Gardens downstream of weir27 Jun 201327 Jun 20131

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

2002–2024

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 174 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
5.5 cm
Median
6.4 cm
Upper quarter
7.3 cm
Largest
9.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cray

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

European eel Roach Pike Perch Chub 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 →