Bullhead · Cottus gobio

Bullhead in the Careys Brook

Largest measured bullhead: 8.7 cm

The largest bullhead measured in Environment Agency surveys of the Careys Brook was 8.7 cm, recorded at u/s Callow End on 17 August 1992.

Across 64 measured bullhead, the median measured length was 6 cm.

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

See bullhead records across England →

Most recent observation3 May 2002d/s Callow End · 22 fish

Largest measured bullhead: 8.7 cm
Median length: 6 cm
Fish measured: 64
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
8.7 cm	17 Aug 1992	u/s Callow End	73496
8.6 cm	29 Jul 1997	u/s Callow End	73495
8.5 cm	17 Aug 1992	u/s Callow End	73496
8 cm	29 Jul 1997	d/s Callow End	73497
8 cm	29 Jul 1997	u/s Callow End	73495
7.8 cm	3 May 2002	d/s Callow End	26057
7.7 cm	3 May 2002	u/s Callow End	26018
7.7 cm	17 Aug 1992	u/s Callow End	73496
7.6 cm	29 Jul 1997	Bastonford	76538
7.6 cm	29 Jul 1997	d/s Callow End	73497

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
u/s Callow End	17 Aug 1992	3 May 2002	3
d/s Callow End	17 Aug 1992	3 May 2002	3
Bastonford	29 Jul 1997	29 Jul 1997	1

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

1992–2002

Survey records by year

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

292

093

094

095

096

397

098

099

000

001

202

Fish measured by surveyors

Measured length distribution

See how the 64 measured fish were spread across different length ranges.

Smallest: 2.8 cm
Lower quarter: 4.8 cm
Median: 6 cm
Upper quarter: 7 cm
Largest: 8.7 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Careys Brook

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

European eel Stone loach 3-spined stickleback Minnow Dace

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 →